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BOSTON MARATHON 2026

Chelsea Caloia

Bib: 15370β€’F

TX

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
28:33
3.11 mi
Rank: #23433
Start β†’ 5K
28:33 | 9:12/mi
10K
58:01
6.21 mi
Rank: #24047 (-614)
5K β†’ 10K
29:28 | 9:30/mi
15K
1:27:17
9.32 mi
Rank: #24118 (-71)
10K β†’ 15K
29:16 | 9:26/mi
20K
1:55:08
12.43 mi
Rank: #23600 (+518)
15K β†’ 20K
27:51 | 8:58/mi
HALF
2:01:11
13.11 mi
Rank: #23539 (+61)
20K β†’ HALF
6:03 | 8:53/mi
25K
2:23:11
15.53 mi
Rank: #23165 (+374)
HALF β†’ 25K
22:00 | 9:05/mi
30K
2:53:08
18.64 mi
Rank: #22948 (+217)
25K β†’ 30K
29:57 | 9:39/mi
20M
3:06:12
20.00 mi
Rank: #22820 (+128)
30K β†’ 20M
13:04 | 9:38/mi
21M
3:16:25
21.00 mi
Rank: #22694 (+126)
20M β†’ 21M
10:13 | 10:13/mi
35K
3:23:52
21.75 mi
Rank: #22711 (-17)
21M β†’ 35K
7:27 | 9:58/mi
23M
3:36:03
23.00 mi
Rank: #22627 (+84)
35K β†’ 23M
12:11 | 9:45/mi
24M
3:46:28
24.00 mi
Rank: #22699 (-72)
23M β†’ 24M
10:25 | 10:25/mi
40K
3:55:14
24.85 mi
Rank: #22668 (+31)
24M β†’ 40K
8:46 | 10:16/mi
25.2M
3:59:06
25.20 mi
Rank: #22675 (-7)
40K β†’ 25.2M
3:52 | 11:13/mi
FINISH
4:08:27
26.22 mi
Rank: #22621 (+54)
25.2M β†’ FINISH
9:21 | 9:11/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:01:11
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:07:16
Pace9:43 /mi
πŸ“ŠPositive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5928:339:1228:33
9:12
-
10K
6.21 mi11:43:2758:019:2129:28
9:30
+0:18
15K
9.32 mi12:12:431:27:179:2229:16
9:26
-0:04
20K
12.43 mi12:40:341:55:089:1627:51
8:58
-0:28
HALF
13.11 mi12:46:372:01:119:156:03
8:53
-0:05
25K
15.53 mi13:08:372:23:119:1422:00
9:05
+0:12
30K
18.64 mi13:38:342:53:089:1829:57
9:39
+0:34
20M
20.00 mi13:51:383:06:129:1913:04
9:38
-0:01
21M
21.00 mi14:01:513:16:259:2210:13
10:13
+0:35
35K
21.75 mi14:09:183:23:529:237:27
9:58
-0:15
23M
23.00 mi14:21:293:36:039:2412:11
9:45
-0:13
24M
24.00 mi14:31:543:46:289:2710:25
10:25
+0:40
40K
24.85 mi14:40:403:55:149:288:46
10:16
-0:09
25.2M
25.20 mi14:44:323:59:069:303:52
11:13
+0:57
FINISH
26.22 mi14:53:534:08:279:299:21
9:11
-2:02

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

8:53 /mi

Average Pace

9:29 /mi

Slowest Pace

11:13 /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

1:33:48

38% of race

Time at Steady Pace

1:53:56

46% of race

Time at Slower Pace

40:43

16% of race

Average Pace: 9:29 /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 mi11:13:5928:339:1228:33
9:12
#23433
10K
6.21 mi11:43:2758:019:2129:28
9:30
#24047
15K
9.32 mi12:12:431:27:179:2229:16
9:26
#24118
20K
12.43 mi12:40:341:55:089:1627:51
8:58
#23600
HALF
13.11 mi12:46:372:01:119:156:03
8:53
#23539
25K
15.53 mi13:08:372:23:119:1422:00
9:05
#23165
30K
18.64 mi13:38:342:53:089:1829:57
9:39
#22948
20M
20.00 mi13:51:383:06:129:1913:04
9:38
#22820
21M
21.00 mi14:01:513:16:259:2210:13
10:13
#22694
35K
21.75 mi14:09:183:23:529:237:27
9:58
#22711
23M
23.00 mi14:21:293:36:039:2412:11
9:45
#22627
24M
24.00 mi14:31:543:46:289:2710:25
10:25
#22699
40K
24.85 mi14:40:403:55:149:288:46
10:16
#22668
25.2M
25.20 mi14:44:323:59:069:303:52
11:13
#22675
FINISH
26.22 mi14:53:534:08:279:299:21
9:11
#22621
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 mi234339387938724204(Top 83%)9760(Top 78%)9760(Top 171%)
10K6.21 mi3.10 mi24047-6149680-2939680-29324545(Top 85%)9937(Top 79%)9937(Top 174%)
15K9.32 mi3.11 mi24118-719709-299709-2924204(Top 83%)9760(Top 78%)9760(Top 171%)
20K12.43 mi3.11 mi23600+5189460+2499460+24921783(Top 75%)8552(Top 68%)8552(Top 150%)
HALF13.11 mi0.68 mi23539+619424+369424+3622226(Top 77%)8758(Top 70%)8758(Top 153%)
25K15.53 mi2.42 mi23165+3749250+1749250+17421509(Top 74%)8427(Top 67%)8427(Top 147%)
30K18.64 mi3.11 mi22948+2179170+809170+8022080(Top 76%)8806(Top 70%)8806(Top 154%)
20M20.00 mi1.36 mi22820+1289127+439127+4321495(Top 74%)8604(Top 68%)8604(Top 151%)
21M21.00 mi1.00 mi22694+1269079+489079+4821139(Top 73%)8460(Top 67%)8460(Top 148%)
35K21.75 mi0.75 mi22711-179100-219100-2123063(Top 79%)9479(Top 75%)9479(Top 166%)
23M23.00 mi1.25 mi22627+849074+269074+2621368(Top 74%)8669(Top 69%)8669(Top 152%)
24M24.00 mi1.00 mi22699-729131-579131-5723907(Top 82%)10024(Top 80%)10024(Top 175%)
40K24.85 mi0.85 mi22668+319124+79124+722599(Top 78%)9402(Top 75%)9402(Top 164%)
25.2M25.20 mi0.35 mi22675-79136-129136-1222907(Top 79%)9550(Top 76%)9550(Top 167%)
FINISH26.22 mi1.02 mi22621+549119+179119+1721228(Top 73%)8690(Top 69%)8690(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
Γ—21
+97ft-345ft

Overall

24204

Females

9760

F18-39

9760

5K→10K

3.1 - 6.2 mi

Top 85%
Γ—5
+79ft-138ft

Overall

24545

Females

9937

F18-39

9937

10K→15K

6.2 - 9.3 mi

Top 83%
Γ—3
+67ft-78ft

Overall

24204

Females

9760

F18-39

9760

15K→20K

9.3 - 12.4 mi

Top 75%
Γ—5
+106ft-86ft

Overall

21783

Females

8552

F18-39

8552

20K→HALF

12.4 - 13.1 mi

Top 77%
Γ—2
+19ft-37ft

Overall

22226

Females

8758

F18-39

8758

HALF→25K

13.1 - 15.5 mi

Top 74%
Γ—4
+66ft-88ft

Overall

21509

Females

8427

F18-39

8427

25K→30K

15.5 - 18.6 mi

Top 76%
Γ—9
+181ft-148ft

Overall

22080

Females

8806

F18-39

8806

30K→20M

18.6 - 20.0 mi

Top 74%
Γ—5
+64ft-50ft

Overall

21495

Females

8604

F18-39

8604

20M→21M

20.0 - 21.0 mi

Top 73%
Γ—8
+106ft-24ft

Overall

21139

Females

8460

F18-39

8460

21M→35K

21.0 - 21.8 mi

Top 79%
Γ—7
+17ft-86ft

Overall

23063

Females

9479

F18-39

9479

35K→23M

21.8 - 23.0 mi

Top 74%
Γ—5
+23ft-63ft

Overall

21368

Females

8669

F18-39

8669

23M→24M

23.0 - 24.0 mi

Top 82%
Γ—6
+12ft-82ft

Overall

23907

Females

10024

F18-39

10024

24M→40K

24.0 - 24.9 mi

Top 78%
Γ—1
+6ft-20ft

Overall

22599

Females

9402

F18-39

9402

40K→25.2M

24.9 - 25.2 mi

Top 79%
Γ—1
+13ft-16ft

Overall

22907

Females

9550

F18-39

9550

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
Γ—2
+22ft-21ft

Overall

21228

Females

8690

F18-39

8690

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2007
Passed By
1195
Net Change
+812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#23433
5K β†’ 10K37651-614#23433#24047
10K β†’ 15K128199-71#24047#24118
15K β†’ 20K5202+518#24118#23600
20K β†’ HALF643+61#23600#23539
HALF β†’ 25K3762+374#23539#23165
25K β†’ 30K25841+217#23165#22948
30K β†’ 20M15224+128#22948#22820
20M β†’ 21M14014+126#22820#22694
21M β†’ 35K3653-17#22694#22711
35K β†’ 23M11531+84#22711#22627
23M β†’ 24M30102-72#22627#22699
24M β†’ 40K6736+31#22699#22668
40K β†’ 25.2M1724-7#22668#22675
25.2M β†’ FINISH6713+54#22675#22621
TOTALS20071195+812
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