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BOSTON MARATHON 2025

Jaehee Yoon

Bib: 13632•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:51
Rank: #10914
Start → 5K
22:51 | 7:21/mi
10K· 6.21 mi
46:06
Rank: #11419 (-505)
5K → 10K
23:15 | 7:29/mi
15K· 9.32 mi
1:09:58
Rank: #12050 (-631)
10K → 15K
23:52 | 7:41/mi
20K· 12.43 mi
1:34:12
Rank: #12319 (-269)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:39:23
Rank: #12338 (-19)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:58:36
Rank: #12485 (-147)
Half → 25K
19:13 | 7:56/mi
30K· 18.64 mi
2:24:33
Rank: #12692 (-207)
25K → 30K
25:57 | 8:21/mi
20M
2:36:14
Rank: #12833 (-141)
30K → 20M
11:41 | 8:36/mi
21M
2:45:36
Rank: #12970 (-137)
20M → 21M
9:22 | 9:22/mi
35K· 21.75 mi
2:51:55
Rank: #13059 (-89)
21M → 35K
6:19 | 8:27/mi
23M
3:02:45
Rank: #13119 (-60)
35K → 23M
10:50 | 8:39/mi
24M
3:11:21
Rank: #13202 (-83)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:18:42
Rank: #13222 (-20)
24M → 40K
7:21 | 8:36/mi
25.2M
3:22:03
Rank: #13258 (-36)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:30:37
Rank: #13374 (-116)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:23
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:51:14
Pace8:29 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5622:517:2122:51
7:21
-
10K
6.21 mi11:16:1146:067:2523:15
7:29
+0:08
15K
9.32 mi11:40:031:09:587:3023:52
7:41
+0:12
20K
12.43 mi12:04:171:34:127:3524:14
7:48
+0:07
Half
13.11 mi12:09:281:39:237:355:11
7:36
-0:12
25K
15.53 mi12:28:411:58:367:3819:13
7:56
+0:20
30K
18.64 mi12:54:382:24:337:4525:57
8:21
+0:25
20M
20.00 mi13:06:192:36:147:4911:41
8:36
+0:15
21M
21.00 mi13:15:412:45:367:539:22
9:22
+0:46
35K
21.75 mi13:22:002:51:557:546:19
8:27
-0:55
23M
23.00 mi13:32:503:02:457:5710:50
8:39
+0:12
24M
24.00 mi13:41:263:11:217:588:36
8:36
-0:03
40K
24.85 mi13:48:473:18:428:007:21
8:36
0:00
25.2M
25.20 mi13:52:083:22:038:013:21
9:43
+1:07
Finish
26.22 mi14:00:423:30:378:028:34
8:24
-1:19

Checkpoints & Pacing

📈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

7:21 /mi

Average Pace

8:02 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:36

56% of race

Time at Steady Pace

1:19:18

38% of race

Time at Slower Pace

12:43

6% of race

Average Pace: 8:02 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:52:5622:517:2122:51
7:21
#10914
10K
6.21 mi11:16:1146:067:2523:15
7:29
#11419
15K
9.32 mi11:40:031:09:587:3023:52
7:41
#12050
20K
12.43 mi12:04:171:34:127:3524:14
7:48
#12319
Half
13.11 mi12:09:281:39:237:355:11
7:36
#12338
25K
15.53 mi12:28:411:58:367:3819:13
7:56
#12485
30K
18.64 mi12:54:382:24:337:4525:57
8:21
#12692
20M
20.00 mi13:06:192:36:147:4911:41
8:36
#12833
21M
21.00 mi13:15:412:45:367:539:22
9:22
#12970
35K
21.75 mi13:22:002:51:557:546:19
8:27
#13059
23M
23.00 mi13:32:503:02:457:5710:50
8:39
#13119
24M
24.00 mi13:41:263:11:217:588:36
8:36
#13202
40K
24.85 mi13:48:473:18:428:007:21
8:36
#13222
25.2M
25.20 mi13:52:083:22:038:013:21
9:43
#13258
Finish
26.22 mi14:00:423:30:378:028:34
8:24
#13374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109142243224313339(Top 47%)3649(Top 30%)3649(Top 67%)
10K6.21 mi3.10 mi11419-5052512-2692512-26911981(Top 42%)2813(Top 23%)2813(Top 51%)
15K9.32 mi3.11 mi12050-6312869-3572869-35713339(Top 47%)3649(Top 30%)3649(Top 67%)
20K12.43 mi3.11 mi12319-2693041-1723041-17213291(Top 47%)3703(Top 30%)3703(Top 68%)
Half13.11 mi0.68 mi12338-193060-193060-1912635(Top 44%)3319(Top 27%)3319(Top 61%)
25K15.53 mi2.42 mi12485-1473184-1243184-12413320(Top 47%)3842(Top 31%)3842(Top 70%)
30K18.64 mi3.11 mi12692-2073370-1863370-18613844(Top 49%)4277(Top 35%)4277(Top 78%)
20M20.00 mi1.36 mi12833-1413488-1183488-11814421(Top 51%)4731(Top 39%)4731(Top 87%)
21M21.00 mi1.00 mi12970-1373595-1073595-10715474(Top 54%)5432(Top 44%)5432(Top 99%)
35K21.75 mi0.75 mi13059-893659-643659-6415138(Top 53%)5300(Top 43%)5300(Top 97%)
23M23.00 mi1.25 mi13119-603740-813740-8114266(Top 50%)4938(Top 40%)4938(Top 90%)
24M24.00 mi1.00 mi13202-833815-753815-7515168(Top 53%)5466(Top 45%)5466(Top 100%)
40K24.85 mi0.85 mi13222-203853-383853-3814054(Top 49%)4991(Top 41%)4991(Top 91%)
25.2M25.20 mi0.35 mi13258-363887-343887-3415695(Top 55%)5906(Top 48%)5906(Top 108%)
Finish26.22 mi1.02 mi13374-1163971-843971-8415634(Top 55%)5816(Top 48%)5816(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13339

Females

3649

F18-39

3649

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11981

Females

2813

F18-39

2813

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13339

Females

3649

F18-39

3649

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13291

Females

3703

F18-39

3703

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12635

Females

3319

F18-39

3319

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13320

Females

3842

F18-39

3842

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13844

Females

4277

F18-39

4277

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14421

Females

4731

F18-39

4731

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15474

Females

5432

F18-39

5432

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15138

Females

5300

F18-39

5300

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14266

Females

4938

F18-39

4938

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15168

Females

5466

F18-39

5466

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

14054

Females

4991

F18-39

4991

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15695

Females

5906

F18-39

5906

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15634

Females

5816

F18-39

5816

Passing Analysis

Category:
Athletes Passed
1028
Passed By
3488
Net Change
-2460
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10914
5K → 10K95600-505#10914#11419
10K → 15K53684-631#11419#12050
15K → 20K118387-269#12050#12319
20K → Half2443-19#12319#12338
Half → 25K112259-147#12338#12485
25K → 30K173380-207#12485#12692
30K → 20M86227-141#12692#12833
20M → 21M69206-137#12833#12970
21M → 35K32121-89#12970#13059
35K → 23M93153-60#13059#13119
23M → 24M47130-83#13119#13202
24M → 40K6989-20#13202#13222
40K → 25.2M2763-36#13222#13258
25.2M → Finish30146-116#13258#13374
TOTALS10283488-2460
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing