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BOSTON MARATHON 2026

Caroline Cobo

Bib: 13156•F

CA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 35%
Gender (Female)
#0 / 12578
Top 18%
Age Group (F18-39)
#0 / 5716
Top 33%
Race Day Weather
51°/41°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
22:59
3.11 mi
Rank: #11914
Start → 5K
22:59 | 7:24/mi
10K
45:56
6.21 mi
Rank: #11905 (+9)
5K → 10K
22:57 | 7:24/mi
15K
1:08:46
9.32 mi
Rank: #11771 (+134)
10K → 15K
22:50 | 7:21/mi
20K
1:31:43
12.43 mi
Rank: #11555 (+216)
15K → 20K
22:57 | 7:24/mi
HALF
1:36:43
13.11 mi
Rank: #11553 (+2)
20K → HALF
5:00 | 7:21/mi
25K
1:54:35
15.53 mi
Rank: #11339 (+214)
HALF → 25K
17:52 | 7:23/mi
30K
2:17:44
18.64 mi
Rank: #10897 (+442)
25K → 30K
23:09 | 7:28/mi
20M
2:27:45
20.00 mi
Rank: #10646 (+251)
30K → 20M
10:01 | 7:23/mi
21M
2:35:31
21.00 mi
Rank: #10460 (+186)
20M → 21M
7:46 | 7:46/mi
35K
2:41:02
21.75 mi
Rank: #10420 (+40)
21M → 35K
5:31 | 7:23/mi
23M
2:50:28
23.00 mi
Rank: #10281 (+139)
35K → 23M
9:26 | 7:33/mi
24M
2:57:57
24.00 mi
Rank: #10236 (+45)
23M → 24M
7:29 | 7:29/mi
40K
3:04:30
24.85 mi
Rank: #10220 (+16)
24M → 40K
6:33 | 7:40/mi
25.2M
3:07:22
25.20 mi
Rank: #10197 (+23)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:14:49
26.22 mi
Rank: #10172 (+25)
25.2M → FINISH
7:27 | 7:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:43
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:38:06
Pace7:29 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4122:597:2422:59
7:24
-
10K
6.21 mi11:14:3845:567:2422:57
7:24
0:00
15K
9.32 mi11:37:281:08:467:2322:50
7:21
-0:03
20K
12.43 mi12:00:251:31:437:2322:57
7:24
+0:03
HALF
13.11 mi12:05:251:36:437:235:00
7:21
-0:03
25K
15.53 mi12:23:171:54:357:2317:52
7:23
+0:02
30K
18.64 mi12:46:262:17:447:2423:09
7:28
+0:05
20M
20.00 mi12:56:272:27:457:2410:01
7:23
-0:05
21M
21.00 mi13:04:132:35:317:257:46
7:46
+0:23
35K
21.75 mi13:09:442:41:027:255:31
7:23
-0:23
23M
23.00 mi13:19:102:50:287:259:26
7:33
+0:10
24M
24.00 mi13:26:392:57:577:257:29
7:29
-0:04
40K
24.85 mi13:33:123:04:307:266:33
7:40
+0:11
25.2M
25.20 mi13:36:043:07:227:272:52
8:19
+0:39
FINISH
26.22 mi13:43:313:14:497:277:27
7:19
-1:00

Checkpoint Splits Visualizations

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

📈Pace 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

7:19 /mi

Average Pace

7:26 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

3:11:57

99% of race

Time at Steady Pace

2:52

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi10:51:4122:597:2422:59
7:24
#11914
10K
6.21 mi11:14:3845:567:2422:57
7:24
#11905
15K
9.32 mi11:37:281:08:467:2322:50
7:21
#11771
20K
12.43 mi12:00:251:31:437:2322:57
7:24
#11555
HALF
13.11 mi12:05:251:36:437:235:00
7:21
#11553
25K
15.53 mi12:23:171:54:357:2317:52
7:23
#11339
30K
18.64 mi12:46:262:17:447:2423:09
7:28
#10897
20M
20.00 mi12:56:272:27:457:2410:01
7:23
#10646
21M
21.00 mi13:04:132:35:317:257:46
7:46
#10460
35K
21.75 mi13:09:442:41:027:255:31
7:23
#10420
23M
23.00 mi13:19:102:50:287:259:26
7:33
#10281
24M
24.00 mi13:26:392:57:577:257:29
7:29
#10236
40K
24.85 mi13:33:123:04:307:266:33
7:40
#10220
25.2M
25.20 mi13:36:043:07:227:272:52
8:19
#10197
FINISH
26.22 mi13:43:313:14:497:277:27
7:19
#10172
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 mi119142862286211519(Top 40%)2753(Top 22%)2753(Top 48%)
10K6.21 mi3.10 mi11905+92884-222884-2211970(Top 41%)2945(Top 23%)2945(Top 52%)
15K9.32 mi3.11 mi11771+1342845+392845+3911519(Top 40%)2753(Top 22%)2753(Top 48%)
20K12.43 mi3.11 mi11555+2162749+962749+9611016(Top 38%)2586(Top 21%)2586(Top 45%)
HALF13.11 mi0.68 mi11553+22750-12750-111530(Top 40%)2755(Top 22%)2755(Top 48%)
25K15.53 mi2.42 mi11339+2142669+812669+8110303(Top 36%)2285(Top 18%)2285(Top 40%)
30K18.64 mi3.11 mi10897+4422501+1682501+1689299(Top 32%)1937(Top 15%)1937(Top 34%)
20M20.00 mi1.36 mi10646+2512392+1092392+1098275(Top 29%)1615(Top 13%)1615(Top 28%)
21M21.00 mi1.00 mi10460+1862323+692323+698303(Top 29%)1741(Top 14%)1741(Top 30%)
35K21.75 mi0.75 mi10420+402319+42319+49931(Top 34%)2454(Top 20%)2454(Top 43%)
23M23.00 mi1.25 mi10281+1392288+312288+319171(Top 32%)2178(Top 17%)2178(Top 38%)
24M24.00 mi1.00 mi10236+452292-42292-49973(Top 34%)2654(Top 21%)2654(Top 46%)
40K24.85 mi0.85 mi10220+162299-72299-710049(Top 35%)2769(Top 22%)2769(Top 48%)
25.2M25.20 mi0.35 mi10197+232300-12300-110454(Top 36%)3034(Top 24%)3034(Top 53%)
FINISH26.22 mi1.02 mi10172+252321-212321-219982(Top 34%)2831(Top 23%)2831(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21
+97ft-345ft

Overall

11519

Females

2753

F18-39

2753

5K→10K

3.1 - 6.2 mi

Top 41%
×5
+79ft-138ft

Overall

11970

Females

2945

F18-39

2945

10K→15K

6.2 - 9.3 mi

Top 40%
×3
+67ft-78ft

Overall

11519

Females

2753

F18-39

2753

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

11016

Females

2586

F18-39

2586

20K→HALF

12.4 - 13.1 mi

Top 40%
×2
+19ft-37ft

Overall

11530

Females

2755

F18-39

2755

HALF→25K

13.1 - 15.5 mi

Top 36%
×4
+66ft-88ft

Overall

10303

Females

2285

F18-39

2285

25K→30K

15.5 - 18.6 mi

Top 32%
×9
+181ft-148ft

Overall

9299

Females

1937

F18-39

1937

30K→20M

18.6 - 20.0 mi

Top 29%
×5
+64ft-50ft

Overall

8275

Females

1615

F18-39

1615

20M→21M

20.0 - 21.0 mi

Top 29%
×8
+106ft-24ft

Overall

8303

Females

1741

F18-39

1741

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9931

Females

2454

F18-39

2454

35K→23M

21.8 - 23.0 mi

Top 32%
×5
+23ft-63ft

Overall

9171

Females

2178

F18-39

2178

23M→24M

23.0 - 24.0 mi

Top 34%
×6
+12ft-82ft

Overall

9973

Females

2654

F18-39

2654

24M→40K

24.0 - 24.9 mi

Top 35%
×1
+6ft-20ft

Overall

10049

Females

2769

F18-39

2769

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10454

Females

3034

F18-39

3034

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9982

Females

2831

F18-39

2831

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2486*
Passed By
744
Net Change
+1742
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11914
5K → 10K209*200+9#11914#11905
10K → 15K242*108+134#11905#11771
15K → 20K268*52+216#11771#11555
20K → HALF3230+2#11555#11553
HALF → 25K241*27+214#11553#11339
25K → 30K466*24+442#11339#10897
30K → 20M258*7+251#10897#10646
20M → 21M205*19+186#10646#10460
21M → 35K6828+40#10460#10420
35K → 23M18445+139#10420#10281
23M → 24M10257+45#10281#10236
24M → 40K7559+16#10236#10220
40K → 25.2M4421+23#10220#10197
25.2M → FINISH9267+25#10197#10172
TOTALS2486*744+1742

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race 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