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BOSTON MARATHON 2025

Jennifer Darnell

Bib: 24054•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 43%
Division (F60-64)
#0 / 624
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:26
Rank: #19932
Start → 5K
8:30/mi
26:26 split
10K· 6.21 mi
53:12
Rank: #20204 (-272)
5K → 10K
8:37/mi
26:46 split
15K· 9.32 mi
1:19:51
Rank: #20062 (+142)
10K → 15K
8:35/mi
26:39 split
20K· 12.43 mi
1:46:45
Rank: #19827 (+235)
15K → 20K
8:39/mi
26:54 split
Half· 13.11 mi
1:52:29
Rank: #19762 (+65)
20K → Half
8:24/mi
5:44 split
25K· 15.53 mi
2:13:33
Rank: #19492 (+270)
Half → 25K
8:41/mi
21:04 split
30K· 18.64 mi
2:41:05
Rank: #18990 (+502)
25K → 30K
8:52/mi
27:32 split
20M
2:53:10
Rank: #18779 (+211)
30K → 20M
8:54/mi
12:05 split
21M
3:02:30
Rank: #18563 (+216)
20M → 21M
9:20/mi
9:20 split
35K· 21.75 mi
3:08:48
Rank: #18425 (+138)
21M → 35K
8:25/mi
6:18 split
23M
3:19:49
Rank: #18209 (+216)
35K → 23M
8:48/mi
11:01 split
24M
3:28:24
Rank: #18048 (+161)
23M → 24M
8:35/mi
8:35 split
40K· 24.85 mi
3:35:52
Rank: #17922 (+126)
24M → 40K
8:44/mi
7:28 split
25.2M
3:39:15
Rank: #17898 (+24)
40K → 25.2M
9:49/mi
3:23 split
Finish· 26.22 mi
3:48:02
Rank: #17846 (+52)
25.2M → Finish
8:37/mi
8:47 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:55:33
Pace8:49 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2526:268:3026:26
8:30
-
10K
6.21 mi11:51:1153:128:3426:46
8:37
+0:07
15K
9.32 mi12:17:501:19:518:3426:39
8:35
-0:02
20K
12.43 mi12:44:441:46:458:3526:54
8:39
+0:04
Half
13.11 mi12:50:281:52:298:355:44
8:24
-0:15
25K
15.53 mi13:11:322:13:338:3621:04
8:41
+0:17
30K
18.64 mi13:39:042:41:058:3827:32
8:52
+0:11
20M
20.00 mi13:51:092:53:108:3912:05
8:54
+0:02
21M
21.00 mi14:00:293:02:308:419:20
9:20
+0:26
35K
21.75 mi14:06:473:08:488:416:18
8:25
-0:55
23M
23.00 mi14:17:483:19:498:4111:01
8:48
+0:23
24M
24.00 mi14:26:233:28:248:418:35
8:35
-0:13
40K
24.85 mi14:33:513:35:528:417:28
8:44
+0:09
25.2M
25.20 mi14:37:143:39:158:423:23
9:49
+1:05
Finish
26.22 mi14:46:013:48:028:428:47
8:37
-1:12

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

8:24 /mi

Average Pace

8:42 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:19

94% of race

Time at Steady Pace

12:43

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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 mi11:24:2526:268:3026:26
8:30
#19932
10K
6.21 mi11:51:1153:128:3426:46
8:37
#20204
15K
9.32 mi12:17:501:19:518:3426:39
8:35
#20062
20K
12.43 mi12:44:441:46:458:3526:54
8:39
#19827
Half
13.11 mi12:50:281:52:298:355:44
8:24
#19762
25K
15.53 mi13:11:322:13:338:3621:04
8:41
#19492
30K
18.64 mi13:39:042:41:058:3827:32
8:52
#18990
20M
20.00 mi13:51:092:53:108:3912:05
8:54
#18779
21M
21.00 mi14:00:293:02:308:419:20
9:20
#18563
35K
21.75 mi14:06:473:08:488:416:18
8:25
#18425
23M
23.00 mi14:17:483:19:498:4111:01
8:48
#18209
24M
24.00 mi14:26:233:28:248:418:35
8:35
#18048
40K
24.85 mi14:33:513:35:528:417:28
8:44
#17922
25.2M
25.20 mi14:37:143:39:158:423:23
9:49
#17898
Finish
26.22 mi14:46:013:48:028:428:47
8:37
#17846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi199327459745919794(Top 70%)7327(Top 60%)7327(Top 1174%)
10K6.21 mi3.10 mi20204-2727594-1357594-13520436(Top 72%)7705(Top 63%)7705(Top 1235%)
15K9.32 mi3.11 mi20062+1427500+947500+9419794(Top 70%)7327(Top 60%)7327(Top 1174%)
20K12.43 mi3.11 mi19827+2357378+1227378+12219192(Top 68%)7017(Top 57%)7017(Top 1125%)
Half13.11 mi0.68 mi19762+657341+377341+3718645(Top 66%)6704(Top 55%)6704(Top 1074%)
25K15.53 mi2.42 mi19492+2707194+1477194+14718325(Top 65%)6606(Top 54%)6606(Top 1059%)
30K18.64 mi3.11 mi18990+5026943+2516943+25116970(Top 60%)6017(Top 49%)6017(Top 964%)
20M20.00 mi1.36 mi18779+2116847+966847+9616217(Top 57%)5736(Top 47%)5736(Top 919%)
21M21.00 mi1.00 mi18563+2166758+896758+8915346(Top 54%)5376(Top 44%)5376(Top 862%)
35K21.75 mi0.75 mi18425+1386692+666692+6615064(Top 53%)5281(Top 43%)5281(Top 846%)
23M23.00 mi1.25 mi18209+2166607+856607+8515136(Top 53%)5415(Top 44%)5415(Top 868%)
24M24.00 mi1.00 mi18048+1616541+666541+6615104(Top 53%)5445(Top 45%)5445(Top 873%)
40K24.85 mi0.85 mi17922+1266505+366505+3614856(Top 52%)5453(Top 45%)5453(Top 874%)
25.2M25.20 mi0.35 mi17898+246499+66499+616217(Top 57%)6202(Top 51%)6202(Top 994%)
Finish26.22 mi1.02 mi17846+526487+126487+1216991(Top 60%)6559(Top 54%)6559(Top 1051%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19794

Females

7327

F60-64

7327

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20436

Females

7705

F60-64

7705

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19794

Females

7327

F60-64

7327

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19192

Females

7017

F60-64

7017

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18645

Females

6704

F60-64

6704

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18325

Females

6606

F60-64

6606

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16970

Females

6017

F60-64

6017

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16217

Females

5736

F60-64

5736

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15346

Females

5376

F60-64

5376

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15064

Females

5281

F60-64

5281

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15136

Females

5415

F60-64

5415

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15104

Females

5445

F60-64

5445

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14856

Females

5453

F60-64

5453

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16217

Females

6202

F60-64

6202

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16991

Females

6559

F60-64

6559

Passing Analysis

Category:
Athletes Passed
2915
Passed By
829
Net Change
+2086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19932
5K → 10K168440-272#19932#20204
10K → 15K249107+142#20204#20062
15K → 20K30368+235#20062#19827
20K → Half7712+65#19827#19762
Half → 25K30535+270#19762#19492
25K → 30K53028+502#19492#18990
30K → 20M23322+211#18990#18779
20M → 21M23418+216#18779#18563
21M → 35K1424+138#18563#18425
35K → 23M2259+216#18425#18209
23M → 24M1687+161#18209#18048
24M → 40K14115+126#18048#17922
40K → 25.2M4117+24#17922#17898
25.2M → Finish9947+52#17898#17846
TOTALS2915829+2086
📊

Passing Visuals

Category:
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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