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BOSTON MARATHON 2025

Jennifer Overend

Bib: 21113•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Masters (Masters Women)
#0 / 6759
Top 25%
Division (F45-49)
#0 / 1813
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:57/mi
24:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:47
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:37:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:43:01
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:02:50
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:29:41
↑ 181↓ 1480.2%
20M
8:42/mi
2:41:30
↑ 64↓ 500.2%
21M
9:07/mi
2:50:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
2:56:55
↑ 17↓ 861.7%
23M
8:44/mi
3:07:51
↑ 23↓ 630.6%
24M
8:35/mi
3:16:26
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:23:53
↓ 200.3%
25.2M
9:46/mi
3:27:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:35:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:01
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:52:55
Pace8:37 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2624:427:5724:42
7:57
-
10K
6.21 mi11:41:2648:427:5024:00
7:43
-0:14
15K
9.32 mi12:05:311:12:477:4924:05
7:45
+0:02
20K
12.43 mi12:30:221:37:387:5124:51
8:00
+0:15
Half
13.11 mi12:35:451:43:017:515:23
7:53
-0:07
25K
15.53 mi12:55:342:02:507:5419:49
8:10
+0:17
30K
18.64 mi13:22:252:29:418:0226:51
8:39
+0:29
20M
20.00 mi13:34:142:41:308:0411:49
8:42
+0:03
21M
21.00 mi13:43:212:50:378:079:07
9:07
+0:25
35K
21.75 mi13:49:392:56:558:086:18
8:25
-0:42
23M
23.00 mi14:00:353:07:518:1010:56
8:44
+0:19
24M
24.00 mi14:09:103:16:268:118:35
8:35
-0:09
40K
24.85 mi14:16:373:23:538:127:27
8:43
+0:08
25.2M
25.20 mi14:19:593:27:158:133:22
9:46
+1:03
Finish
26.22 mi14:28:403:35:568:158:41
8:31
-1:15

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

7:43 /mi

Average Pace

8:15 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:50

57% of race

Time at Steady Pace

1:20:37

37% of race

Time at Slower Pace

12:29

6% of race

Average Pace: 8:14 /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 mi11:17:2624:427:5724:42
7:57
#16202
10K
6.21 mi11:41:2648:427:5024:00
7:43
#15129
15K
9.32 mi12:05:311:12:477:4924:05
7:45
#14705
20K
12.43 mi12:30:221:37:387:5124:51
8:00
#14723
Half
13.11 mi12:35:451:43:017:515:23
7:53
#14744
25K
15.53 mi12:55:342:02:507:5419:49
8:10
#14792
30K
18.64 mi13:22:252:29:418:0226:51
8:39
#14960
20M
20.00 mi13:34:142:41:308:0411:49
8:42
#14944
21M
21.00 mi13:43:212:50:378:079:07
9:07
#14844
35K
21.75 mi13:49:392:56:558:086:18
8:25
#14823
23M
23.00 mi14:00:353:07:518:1010:56
8:44
#14793
24M
24.00 mi14:09:103:16:268:118:35
8:35
#14781
40K
24.85 mi14:16:373:23:538:127:27
8:43
#14764
25.2M
25.20 mi14:19:593:27:158:133:22
9:46
#14778
Finish
26.22 mi14:28:403:35:568:158:41
8:31
#14813
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi162025265526513966(Top 49%)3997(Top 33%)3997(Top 220%)
10K6.21 mi3.10 mi15129+10734622+6434622+64314141(Top 50%)4045(Top 33%)4045(Top 223%)
15K9.32 mi3.11 mi14705+4244374+2484374+24813966(Top 49%)3997(Top 33%)3997(Top 220%)
20K12.43 mi3.11 mi14723-184423-494423-4914930(Top 53%)4611(Top 38%)4611(Top 254%)
Half13.11 mi0.68 mi14744-214438-154438-1515078(Top 53%)4661(Top 38%)4661(Top 257%)
25K15.53 mi2.42 mi14792-484502-644502-6415136(Top 53%)4808(Top 39%)4808(Top 265%)
30K18.64 mi3.11 mi14960-1684648-1464648-14615648(Top 55%)5251(Top 43%)5251(Top 290%)
20M20.00 mi1.36 mi14944+164663-154663-1515048(Top 53%)5069(Top 41%)5069(Top 280%)
21M21.00 mi1.00 mi14844+1004634+294634+2914216(Top 50%)4746(Top 39%)4746(Top 262%)
35K21.75 mi0.75 mi14823+214637-34637-315009(Top 53%)5226(Top 43%)5226(Top 288%)
23M23.00 mi1.25 mi14793+304651-144651-1414743(Top 52%)5193(Top 42%)5193(Top 286%)
24M24.00 mi1.00 mi14781+124680-294680-2915066(Top 53%)5407(Top 44%)5407(Top 298%)
40K24.85 mi0.85 mi14764+174699-194699-1914711(Top 52%)5365(Top 44%)5365(Top 296%)
25.2M25.20 mi0.35 mi14778-144707-84707-815943(Top 56%)6048(Top 49%)6048(Top 334%)
Finish26.22 mi1.02 mi14813-354764-574764-5716359(Top 58%)6219(Top 51%)6219(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13966

Females

3997

F45-49

3997

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14141

Females

4045

F45-49

4045

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13966

Females

3997

F45-49

3997

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14930

Females

4611

F45-49

4611

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15078

Females

4661

F45-49

4661

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15136

Females

4808

F45-49

4808

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15648

Females

5251

F45-49

5251

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15048

Females

5069

F45-49

5069

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14216

Females

4746

F45-49

4746

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15009

Females

5226

F45-49

5226

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14743

Females

5193

F45-49

5193

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15066

Females

5407

F45-49

5407

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14711

Females

5365

F45-49

5365

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15943

Females

6048

F45-49

6048

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16359

Females

6219

F45-49

6219

Passing Analysis

Category:
Athletes Passed
2927
Passed By
1538
Net Change
+1389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16202
5K → 10K111845+1073#16202#15129
10K → 15K46642+424#15129#14705
15K → 20K212230-18#14705#14723
20K → Half2344-21#14723#14744
Half → 25K161209-48#14744#14792
25K → 30K201369-168#14792#14960
30K → 20M133117+16#14960#14944
20M → 21M16060+100#14944#14844
21M → 35K7251+21#14844#14823
35K → 23M133103+30#14823#14793
23M → 24M7866+12#14793#14781
24M → 40K7255+17#14781#14764
40K → 25.2M3145-14#14764#14778
25.2M → Finish67102-35#14778#14813
TOTALS29271538+1389
📊

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