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BOSTON MARATHON 2026

Caroline Coffill

Bib: 17851 β€’F β€’Age: N/A

VA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 48%
Gender (Female)
#0 / 12578
Top 35%
Masters (Masters Women)
#0 / 6862
Top 19%
Age Group (F40-44)
#0 / 1737
Top 40%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:13
3.11 mi
Rank: #12559
Start β†’ 5K
23:13 | 7:29/mi
10K
46:13
6.21 mi
Rank: #12307 (+252)
5K β†’ 10K
23:00 | 7:25/mi
15K
1:09:13
9.32 mi
Rank: #12165 (+142)
10K β†’ 15K
23:00 | 7:25/mi
20K
1:32:17
12.43 mi
Rank: #11937 (+228)
15K β†’ 20K
23:04 | 7:26/mi
HALF
1:37:14
13.11 mi
Rank: #11881 (+56)
20K β†’ HALF
4:57 | 7:16/mi
25K
1:55:19
15.53 mi
Rank: #11749 (+132)
HALF β†’ 25K
18:05 | 7:28/mi
30K
2:20:02
18.64 mi
Rank: #11969 (-220)
25K β†’ 30K
24:43 | 7:58/mi
20M
2:31:17
20.00 mi
Rank: #12190 (-221)
30K β†’ 20M
11:15 | 8:17/mi
21M
2:40:27
21.00 mi
Rank: #12491 (-301)
20M β†’ 21M
9:10 | 9:10/mi
35K
2:46:43
21.75 mi
Rank: #12648 (-157)
21M β†’ 35K
6:16 | 8:23/mi
23M
2:58:11
23.00 mi
Rank: #13116 (-468)
35K β†’ 23M
11:28 | 9:10/mi
24M
3:07:10
24.00 mi
Rank: #13425 (-309)
23M β†’ 24M
8:59 | 8:59/mi
40K
3:14:48
24.85 mi
Rank: #13657 (-232)
24M β†’ 40K
7:38 | 8:56/mi
25.2M
3:18:09
25.20 mi
Rank: #13738 (-81)
40K β†’ 25.2M
3:21 | 9:43/mi
FINISH
3:26:49
26.22 mi
Rank: #13960 (-222)
25.2M β†’ FINISH
8:40 | 8:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:14
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:49:35
Pace8:22 /mi
πŸ“ŠPositive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:0423:137:2923:13
7:29
-
10K
6.21 mi11:28:0446:137:2723:00
7:25
-0:04
15K
9.32 mi11:51:041:09:137:2623:00
7:25
0:00
20K
12.43 mi12:14:081:32:177:2623:04
7:26
+0:01
HALF
13.11 mi12:19:051:37:147:264:57
7:16
-0:10
25K
15.53 mi12:37:101:55:197:2618:05
7:28
+0:12
30K
18.64 mi13:01:532:20:027:3124:43
7:58
+0:30
20M
20.00 mi13:13:082:31:177:3411:15
8:17
+0:19
21M
21.00 mi13:22:182:40:277:399:10
9:10
+0:53
35K
21.75 mi13:28:342:46:437:406:16
8:23
-0:47
23M
23.00 mi13:40:022:58:117:4511:28
9:10
+0:47
24M
24.00 mi13:49:013:07:107:488:59
8:59
-0:11
40K
24.85 mi13:56:393:14:487:517:38
8:56
-0:03
25.2M
25.20 mi14:00:003:18:097:523:21
9:43
+0:47
FINISH
26.22 mi14:08:403:26:497:548:40
8:31
-1:12

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:16 /mi

Average Pace

7:54 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:55:19

56% of race

Time at Steady Pace

50:54

25% of race

Time at Slower Pace

40:36

20% of race

Average Pace: 7:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:05:0423:137:2923:13
7:29
#12559
10K
6.21 mi11:28:0446:137:2723:00
7:25
#12307
15K
9.32 mi11:51:041:09:137:2623:00
7:25
#12165
20K
12.43 mi12:14:081:32:177:2623:04
7:26
#11937
HALF
13.11 mi12:19:051:37:147:264:57
7:16
#11881
25K
15.53 mi12:37:101:55:197:2618:05
7:28
#11749
30K
18.64 mi13:01:532:20:027:3124:43
7:58
#11969
20M
20.00 mi13:13:082:31:177:3411:15
8:17
#12190
21M
21.00 mi13:22:182:40:277:399:10
9:10
#12491
35K
21.75 mi13:28:342:46:437:406:16
8:23
#12648
23M
23.00 mi13:40:022:58:117:4511:28
9:10
#13116
24M
24.00 mi13:49:013:07:107:488:59
8:59
#13425
40K
24.85 mi13:56:393:14:487:517:38
8:56
#13657
25.2M
25.20 mi14:00:003:18:097:523:21
9:43
#13738
FINISH
26.22 mi14:08:403:26:497:548:40
8:31
#13960
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi125593230323011986(Top 41%)3021(Top 24%)3021(Top 174%)
10K6.21 mi3.10 mi12307+2523117+1133117+11312125(Top 42%)3037(Top 24%)3037(Top 175%)
15K9.32 mi3.11 mi12165+1423060+573060+5711986(Top 41%)3021(Top 24%)3021(Top 174%)
20K12.43 mi3.11 mi11937+2282960+1002960+10011363(Top 39%)2770(Top 22%)2770(Top 159%)
HALF13.11 mi0.68 mi11881+562933+272933+2710973(Top 38%)2486(Top 20%)2486(Top 143%)
25K15.53 mi2.42 mi11749+1322897+362897+3611092(Top 38%)2689(Top 21%)2689(Top 155%)
30K18.64 mi3.11 mi11969-2203073-1763073-17613174(Top 45%)3936(Top 31%)3936(Top 227%)
20M20.00 mi1.36 mi12190-2213213-1403213-14014816(Top 51%)4938(Top 39%)4938(Top 284%)
21M21.00 mi1.00 mi12491-3013422-2093422-20916999(Top 59%)6245(Top 50%)6245(Top 360%)
35K21.75 mi0.75 mi12648-1573521-993521-9916908(Top 58%)6262(Top 50%)6262(Top 361%)
23M23.00 mi1.25 mi13116-4683799-2783799-27819257(Top 66%)7591(Top 60%)7591(Top 437%)
24M24.00 mi1.00 mi13425-3094006-2074006-20719392(Top 67%)7714(Top 61%)7714(Top 444%)
40K24.85 mi0.85 mi13657-2324152-1464152-14618045(Top 62%)7055(Top 56%)7055(Top 406%)
25.2M25.20 mi0.35 mi13738-814206-544206-5418276(Top 63%)7168(Top 57%)7168(Top 413%)
FINISH26.22 mi1.02 mi13960-2224361-1554361-15518196(Top 63%)7142(Top 57%)7142(Top 411%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
Γ—21
+97ft-345ft

Overall

11986

Females

3021

F40-44

3021

5K→10K

3.1 - 6.2 mi

Top 42%
Γ—5
+79ft-138ft

Overall

12125

Females

3037

F40-44

3037

10K→15K

6.2 - 9.3 mi

Top 41%
Γ—3
+67ft-78ft

Overall

11986

Females

3021

F40-44

3021

15K→20K

9.3 - 12.4 mi

Top 39%
Γ—5
+106ft-86ft

Overall

11363

Females

2770

F40-44

2770

20K→HALF

12.4 - 13.1 mi

Top 38%
Γ—2
+19ft-37ft

Overall

10973

Females

2486

F40-44

2486

HALF→25K

13.1 - 15.5 mi

Top 38%
Γ—4
+66ft-88ft

Overall

11092

Females

2689

F40-44

2689

25K→30K

15.5 - 18.6 mi

Top 45%
Γ—9
+181ft-148ft

Overall

13174

Females

3936

F40-44

3936

30K→20M

18.6 - 20.0 mi

Top 51%
Γ—5
+64ft-50ft

Overall

14816

Females

4938

F40-44

4938

20M→21M

20.0 - 21.0 mi

Top 59%
Γ—8
+106ft-24ft

Overall

16999

Females

6245

F40-44

6245

21M→35K

21.0 - 21.8 mi

Top 58%
Γ—7
+17ft-86ft

Overall

16908

Females

6262

F40-44

6262

35K→23M

21.8 - 23.0 mi

Top 66%
Γ—5
+23ft-63ft

Overall

19257

Females

7591

F40-44

7591

23M→24M

23.0 - 24.0 mi

Top 67%
Γ—6
+12ft-82ft

Overall

19392

Females

7714

F40-44

7714

24M→40K

24.0 - 24.9 mi

Top 62%
Γ—1
+6ft-20ft

Overall

18045

Females

7055

F40-44

7055

40K→25.2M

24.9 - 25.2 mi

Top 63%
Γ—1
+13ft-16ft

Overall

18276

Females

7168

F40-44

7168

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
Γ—2
+22ft-21ft

Overall

18196

Females

7142

F40-44

7142

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1515*
Passed By
2055
Net Change
-1401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12559
5K β†’ 10K410*158+252#12559#12307
10K β†’ 15K257*115+142#12307#12165
15K β†’ 20K280*52+228#12165#11937
20K β†’ HALF615+56#11937#11881
HALF β†’ 25K18250+132#11881#11749
25K β†’ 30K125200-220#11749#11969
30K β†’ 20M46200-221#11969#12190
20M β†’ 21M30200-301#12190#12491
21M β†’ 35K22179-157#12491#12648
35K β†’ 23M23200-468#12648#13116
23M β†’ 24M21200-309#13116#13425
24M β†’ 40K23200-232#13425#13657
40K β†’ 25.2M1596-81#13657#13738
25.2M β†’ FINISH20200-222#13738#13960
TOTALS1515*2055-1401

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing