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BOSTON MARATHON 2025

Kelsey Gilbert

Bib: 29587•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 33%
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
25:22
Rank: #17843
Start → 5K
25:22 | 8:10/mi
10K· 6.21 mi
49:58
Rank: #16832 (+1011)
5K → 10K
24:36 | 7:55/mi
15K· 9.32 mi
1:14:27
Rank: #16228 (+604)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:39:02
Rank: #15701 (+527)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:44:26
Rank: #15672 (+29)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:03:56
Rank: #15379 (+293)
Half → 25K
19:30 | 8:03/mi
30K· 18.64 mi
2:29:11
Rank: #14755 (+624)
25K → 30K
25:15 | 8:08/mi
20M
2:40:11
Rank: #14402 (+353)
30K → 20M
11:00 | 8:06/mi
21M
2:48:35
Rank: #14068 (+334)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:54:23
Rank: #13908 (+160)
21M → 35K
5:48 | 7:45/mi
23M
3:04:28
Rank: #13661 (+247)
35K → 23M
10:05 | 8:03/mi
24M
3:12:29
Rank: #13546 (+115)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:19:28
Rank: #13443 (+103)
24M → 40K
6:59 | 8:10/mi
25.2M
3:22:38
Rank: #13425 (+18)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:30:49
Rank: #13422 (+3)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:26
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:46:23
Pace8:07 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3025:228:1025:22
8:10
-
10K
6.21 mi12:11:0649:588:0224:36
7:55
-0:15
15K
9.32 mi12:35:351:14:277:5924:29
7:53
-0:02
20K
12.43 mi13:00:101:39:027:5824:35
7:55
+0:02
Half
13.11 mi13:05:341:44:267:585:24
7:55
0:00
25K
15.53 mi13:25:042:03:567:5919:30
8:03
+0:08
30K
18.64 mi13:50:192:29:118:0025:15
8:08
+0:05
20M
20.00 mi14:01:192:40:118:0111:00
8:06
-0:02
21M
21.00 mi14:09:432:48:358:028:24
8:24
+0:18
35K
21.75 mi14:15:312:54:238:015:48
7:45
-0:39
23M
23.00 mi14:25:363:04:288:0110:05
8:03
+0:18
24M
24.00 mi14:33:373:12:298:018:01
8:01
-0:02
40K
24.85 mi14:40:363:19:288:026:59
8:10
+0:09
25.2M
25.20 mi14:43:463:22:388:023:10
9:11
+1:01
Finish
26.22 mi14:51:573:30:498:038:11
8:02
-1:09

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

7:45 /mi

Average Pace

8:03 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:39

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

3:10

2% 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 mi11:46:3025:228:1025:22
8:10
#17843
10K
6.21 mi12:11:0649:588:0224:36
7:55
#16832
15K
9.32 mi12:35:351:14:277:5924:29
7:53
#16228
20K
12.43 mi13:00:101:39:027:5824:35
7:55
#15701
Half
13.11 mi13:05:341:44:267:585:24
7:55
#15672
25K
15.53 mi13:25:042:03:567:5919:30
8:03
#15379
30K
18.64 mi13:50:192:29:118:0025:15
8:08
#14755
20M
20.00 mi14:01:192:40:118:0111:00
8:06
#14402
21M
21.00 mi14:09:432:48:358:028:24
8:24
#14068
35K
21.75 mi14:15:312:54:238:015:48
7:45
#13908
23M
23.00 mi14:25:363:04:288:0110:05
8:03
#13661
24M
24.00 mi14:33:373:12:298:018:01
8:01
#13546
40K
24.85 mi14:40:363:19:288:026:59
8:10
#13443
25.2M
25.20 mi14:43:463:22:388:023:10
9:11
#13425
Finish
26.22 mi14:51:573:30:498:038:11
8:02
#13422
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi178436247624715071(Top 53%)4622(Top 38%)4622(Top 85%)
10K6.21 mi3.10 mi16832+10115632+6155632+61515781(Top 56%)5010(Top 41%)5010(Top 92%)
15K9.32 mi3.11 mi16228+6045270+3625270+36215071(Top 53%)4622(Top 38%)4622(Top 85%)
20K12.43 mi3.11 mi15701+5274984+2864984+28614170(Top 50%)4187(Top 34%)4187(Top 77%)
Half13.11 mi0.68 mi15672+294977+74977+715128(Top 53%)4704(Top 38%)4704(Top 86%)
25K15.53 mi2.42 mi15379+2934821+1564821+15614201(Top 50%)4314(Top 35%)4314(Top 79%)
30K18.64 mi3.11 mi14755+6244536+2854536+28512274(Top 43%)3436(Top 28%)3436(Top 63%)
20M20.00 mi1.36 mi14402+3534365+1714365+17111033(Top 39%)2973(Top 24%)2973(Top 54%)
21M21.00 mi1.00 mi14068+3344203+1624203+1629802(Top 35%)2530(Top 21%)2530(Top 46%)
35K21.75 mi0.75 mi13908+1604134+694134+6910392(Top 37%)2817(Top 23%)2817(Top 52%)
23M23.00 mi1.25 mi13661+2474045+894045+8910391(Top 37%)2949(Top 24%)2949(Top 54%)
24M24.00 mi1.00 mi13546+1154002+434002+4311301(Top 40%)3481(Top 28%)3481(Top 64%)
40K24.85 mi0.85 mi13443+1033967+353967+3511296(Top 40%)3577(Top 29%)3577(Top 65%)
25.2M25.20 mi0.35 mi13425+183971-43971-412702(Top 45%)4379(Top 36%)4379(Top 80%)
Finish26.22 mi1.02 mi13422+33997-263997-2613027(Top 46%)4462(Top 36%)4462(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15071

Females

4622

F18-39

4622

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15781

Females

5010

F18-39

5010

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15071

Females

4622

F18-39

4622

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14170

Females

4187

F18-39

4187

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15128

Females

4704

F18-39

4704

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14201

Females

4314

F18-39

4314

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12274

Females

3436

F18-39

3436

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

11033

Females

2973

F18-39

2973

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9802

Females

2530

F18-39

2530

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

10392

Females

2817

F18-39

2817

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10391

Females

2949

F18-39

2949

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11301

Females

3481

F18-39

3481

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11296

Females

3577

F18-39

3577

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12702

Females

4379

F18-39

4379

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13027

Females

4462

F18-39

4462

Passing Analysis

Category:
Athletes Passed
4755
Passed By
334
Net Change
+4421
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17843
5K → 10K105342+1011#17843#16832
10K → 15K62925+604#16832#16228
15K → 20K54417+527#16228#15701
20K → Half3910+29#15701#15672
Half → 25K33744+293#15672#15379
25K → 30K64016+624#15379#14755
30K → 20M3618+353#14755#14402
20M → 21M3395+334#14402#14068
21M → 35K1666+160#14068#13908
35K → 23M25912+247#13908#13661
23M → 24M13924+115#13661#13546
24M → 40K12724+103#13546#13443
40K → 25.2M4830+18#13443#13425
25.2M → Finish7471+3#13425#13422
TOTALS4755334+4421
📊

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