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BOSTON MARATHON 2026

Callie Sundin

Bib: 17623β€’F

CO

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0:00
/ mi
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Overall
#0 / 29021
Top 36%
Gender (Female)
#0 / 12578
Top 20%
Age Group (F18-39)
#0 / 5716
Top 35%
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
22:44
3.11 mi
Rank: #11213
Start β†’ 5K
22:44 | 7:20/mi
10K
45:25
6.21 mi
Rank: #11164 (+49)
5K β†’ 10K
22:41 | 7:19/mi
15K
1:08:16
9.32 mi
Rank: #11235 (-71)
10K β†’ 15K
22:51 | 7:22/mi
20K
1:31:04
12.43 mi
Rank: #11100 (+135)
15K β†’ 20K
22:48 | 7:21/mi
HALF
1:36:02
13.11 mi
Rank: #11094 (+6)
20K β†’ HALF
4:58 | 7:18/mi
25K
1:53:55
15.53 mi
Rank: #10926 (+168)
HALF β†’ 25K
17:53 | 7:23/mi
30K
2:17:26
18.64 mi
Rank: #10730 (+196)
25K β†’ 30K
23:31 | 7:35/mi
20M
2:27:57
20.00 mi
Rank: #10731 (-1)
30K β†’ 20M
10:31 | 7:45/mi
21M
2:35:58
21.00 mi
Rank: #10666 (+65)
20M β†’ 21M
8:01 | 8:01/mi
35K
2:41:35
21.75 mi
Rank: #10657 (+9)
21M β†’ 35K
5:37 | 7:31/mi
23M
2:51:16
23.00 mi
Rank: #10600 (+57)
35K β†’ 23M
9:41 | 7:45/mi
24M
2:59:02
24.00 mi
Rank: #10648 (-48)
23M β†’ 24M
7:46 | 7:46/mi
40K
3:05:42
24.85 mi
Rank: #10628 (+20)
24M β†’ 40K
6:40 | 7:48/mi
25.2M
3:08:36
25.20 mi
Rank: #10623 (+5)
40K β†’ 25.2M
2:54 | 8:25/mi
FINISH
3:15:53
26.22 mi
Rank: #10515 (+108)
25.2M β†’ FINISH
7:17 | 7:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:02
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:39:51
Pace7:37 /mi
πŸ“ŠPositive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:5222:447:2022:44
7:20
-
10K
6.21 mi11:30:3345:257:1922:41
7:19
-0:01
15K
9.32 mi11:53:241:08:167:2022:51
7:22
+0:03
20K
12.43 mi12:16:121:31:047:2022:48
7:21
-0:01
HALF
13.11 mi12:21:101:36:027:204:58
7:18
-0:03
25K
15.53 mi12:39:031:53:557:2017:53
7:23
+0:05
30K
18.64 mi13:02:342:17:267:2323:31
7:35
+0:12
20M
20.00 mi13:13:052:27:577:2410:31
7:45
+0:10
21M
21.00 mi13:21:062:35:587:268:01
8:01
+0:16
35K
21.75 mi13:26:432:41:357:265:37
7:31
-0:30
23M
23.00 mi13:36:242:51:167:279:41
7:45
+0:14
24M
24.00 mi13:44:102:59:027:287:46
7:46
+0:01
40K
24.85 mi13:50:503:05:427:296:40
7:48
+0:02
25.2M
25.20 mi13:53:443:08:367:302:54
8:25
+0:37
FINISH
26.22 mi14:01:013:15:537:297:17
7:09
-1:16

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

7:09 /mi

Average Pace

7:29 /mi

Slowest Pace

8:25 /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

3:04:58

94% of race

Time at Steady Pace

10:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi11:07:5222:447:2022:44
7:20
#11213
10K
6.21 mi11:30:3345:257:1922:41
7:19
#11164
15K
9.32 mi11:53:241:08:167:2022:51
7:22
#11235
20K
12.43 mi12:16:121:31:047:2022:48
7:21
#11100
HALF
13.11 mi12:21:101:36:027:204:58
7:18
#11094
25K
15.53 mi12:39:031:53:557:2017:53
7:23
#10926
30K
18.64 mi13:02:342:17:267:2323:31
7:35
#10730
20M
20.00 mi13:13:052:27:577:2410:31
7:45
#10731
21M
21.00 mi13:21:062:35:587:268:01
8:01
#10666
35K
21.75 mi13:26:432:41:357:265:37
7:31
#10657
23M
23.00 mi13:36:242:51:167:279:41
7:45
#10600
24M
24.00 mi13:44:102:59:027:287:46
7:46
#10648
40K
24.85 mi13:50:503:05:427:296:40
7:48
#10628
25.2M
25.20 mi13:53:443:08:367:302:54
8:25
#10623
FINISH
26.22 mi14:01:013:15:537:297:17
7:09
#10515
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112132471247111562(Top 40%)2784(Top 22%)2784(Top 49%)
10K6.21 mi3.10 mi11164+492485-142485-1411173(Top 38%)2527(Top 20%)2527(Top 44%)
15K9.32 mi3.11 mi11235-712555-702555-7011562(Top 40%)2784(Top 22%)2784(Top 49%)
20K12.43 mi3.11 mi11100+1352516+392516+3910551(Top 36%)2335(Top 19%)2335(Top 41%)
HALF13.11 mi0.68 mi11094+62518-22518-211130(Top 38%)2543(Top 20%)2543(Top 44%)
25K15.53 mi2.42 mi10926+1682455+632455+6310388(Top 36%)2336(Top 19%)2336(Top 41%)
30K18.64 mi3.11 mi10730+1962410+452410+4510223(Top 35%)2380(Top 19%)2380(Top 42%)
20M20.00 mi1.36 mi10731-12436-262436-2610919(Top 38%)2841(Top 23%)2841(Top 50%)
21M21.00 mi1.00 mi10666+652428+82428+810019(Top 35%)2510(Top 20%)2510(Top 44%)
35K21.75 mi0.75 mi10657+92445-172445-1710951(Top 38%)2964(Top 24%)2964(Top 52%)
23M23.00 mi1.25 mi10600+572456-112456-1110559(Top 36%)2884(Top 23%)2884(Top 50%)
24M24.00 mi1.00 mi10648-482495-392495-3912042(Top 41%)3716(Top 30%)3716(Top 65%)
40K24.85 mi0.85 mi10628+202497-22497-211026(Top 38%)3262(Top 26%)3262(Top 57%)
25.2M25.20 mi0.35 mi10623+52499-22499-211059(Top 38%)3350(Top 27%)3350(Top 59%)
FINISH26.22 mi1.02 mi10515+1082475+242475+248745(Top 30%)2266(Top 18%)2266(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
Γ—21
+97ft-345ft

Overall

11562

Females

2784

F18-39

2784

5K→10K

3.1 - 6.2 mi

Top 38%
Γ—5
+79ft-138ft

Overall

11173

Females

2527

F18-39

2527

10K→15K

6.2 - 9.3 mi

Top 40%
Γ—3
+67ft-78ft

Overall

11562

Females

2784

F18-39

2784

15K→20K

9.3 - 12.4 mi

Top 36%
Γ—5
+106ft-86ft

Overall

10551

Females

2335

F18-39

2335

20K→HALF

12.4 - 13.1 mi

Top 38%
Γ—2
+19ft-37ft

Overall

11130

Females

2543

F18-39

2543

HALF→25K

13.1 - 15.5 mi

Top 36%
Γ—4
+66ft-88ft

Overall

10388

Females

2336

F18-39

2336

25K→30K

15.5 - 18.6 mi

Top 35%
Γ—9
+181ft-148ft

Overall

10223

Females

2380

F18-39

2380

30K→20M

18.6 - 20.0 mi

Top 38%
Γ—5
+64ft-50ft

Overall

10919

Females

2841

F18-39

2841

20M→21M

20.0 - 21.0 mi

Top 35%
Γ—8
+106ft-24ft

Overall

10019

Females

2510

F18-39

2510

21M→35K

21.0 - 21.8 mi

Top 38%
Γ—7
+17ft-86ft

Overall

10951

Females

2964

F18-39

2964

35K→23M

21.8 - 23.0 mi

Top 36%
Γ—5
+23ft-63ft

Overall

10559

Females

2884

F18-39

2884

23M→24M

23.0 - 24.0 mi

Top 41%
Γ—6
+12ft-82ft

Overall

12042

Females

3716

F18-39

3716

24M→40K

24.0 - 24.9 mi

Top 38%
Γ—1
+6ft-20ft

Overall

11026

Females

3262

F18-39

3262

40K→25.2M

24.9 - 25.2 mi

Top 38%
Γ—1
+13ft-16ft

Overall

11059

Females

3350

F18-39

3350

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
Γ—2
+22ft-21ft

Overall

8745

Females

2266

F18-39

2266

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1878*
Passed By
1154
Net Change
+698
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#11213
5K β†’ 10K249*200+49#11213#11164
10K β†’ 15K155200-71#11164#11235
15K β†’ 20K204*69+135#11235#11100
20K β†’ HALF3731+6#11100#11094
HALF β†’ 25K232*64+168#11094#10926
25K β†’ 30K291*95+196#10926#10730
30K β†’ 20M9394-1#10730#10731
20M β†’ 21M11853+65#10731#10666
21M β†’ 35K6556+9#10666#10657
35K β†’ 23M13881+57#10657#10600
23M β†’ 24M65113-48#10600#10648
24M β†’ 40K7454+20#10648#10628
40K β†’ 25.2M2722+5#10628#10623
25.2M β†’ FINISH13022+108#10623#10515
TOTALS1878*1154+698

* 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