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BOSTON MARATHON 2025

Jennifer Jervis

Bib: 21186•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 37%
Division (F55-59)
#0 / 994
Top 16%
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
8:07/mi
25:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
50:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:15:11
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:40:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:45:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:35/mi
2:06:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:50/mi
2:34:13
↑ 181↓ 1480.2%
20M
9:10/mi
2:46:41
↑ 64↓ 500.2%
21M
9:59/mi
2:56:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:03:09
↑ 17↓ 861.7%
23M
9:07/mi
3:14:34
↑ 23↓ 630.6%
24M
8:44/mi
3:23:18
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:31:19
↓ 200.3%
25.2M
10:29/mi
3:34:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:41/mi
3:43:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:57:49
Pace8:59 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2825:128:0725:12
8:07
-
10K
6.21 mi11:43:3050:148:0525:02
8:03
-0:04
15K
9.32 mi12:08:271:15:118:0424:57
8:02
-0:01
20K
12.43 mi12:33:441:40:288:0525:17
8:08
+0:06
Half
13.11 mi12:39:141:45:588:055:30
8:04
-0:04
25K
15.53 mi13:00:032:06:478:1020:49
8:35
+0:31
30K
18.64 mi13:27:292:34:138:1627:26
8:50
+0:15
20M
20.00 mi13:39:572:46:418:2012:28
9:10
+0:20
21M
21.00 mi13:49:562:56:408:259:59
9:59
+0:49
35K
21.75 mi13:56:253:03:098:256:29
8:40
-1:19
23M
23.00 mi14:07:503:14:348:2811:25
9:07
+0:27
24M
24.00 mi14:16:343:23:188:288:44
8:44
-0:23
40K
24.85 mi14:24:353:31:198:308:01
9:23
+0:39
25.2M
25.20 mi14:28:123:34:568:323:37
10:29
+1:06
Finish
26.22 mi14:37:033:43:478:328:51
8:41
-1:48

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

8:02 /mi

Average Pace

8:32 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:58

47% of race

Time at Steady Pace

1:12:19

32% of race

Time at Slower Pace

45:30

20% of race

Average Pace: 8:32 /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 mi11:18:2825:128:0725:12
8:07
#17447
10K
6.21 mi11:43:3050:148:0525:02
8:03
#17163
15K
9.32 mi12:08:271:15:118:0424:57
8:02
#16824
20K
12.43 mi12:33:441:40:288:0525:17
8:08
#16562
Half
13.11 mi12:39:141:45:588:055:30
8:04
#16556
25K
15.53 mi13:00:032:06:478:1020:49
8:35
#16720
30K
18.64 mi13:27:292:34:138:1627:26
8:50
#16678
20M
20.00 mi13:39:572:46:418:2012:28
9:10
#16732
21M
21.00 mi13:49:562:56:408:259:59
9:59
#16788
35K
21.75 mi13:56:253:03:098:256:29
8:40
#16756
23M
23.00 mi14:07:503:14:348:2811:25
9:07
#16748
24M
24.00 mi14:16:343:23:188:288:44
8:44
#16698
40K
24.85 mi14:24:353:31:198:308:01
9:23
#16754
25.2M
25.20 mi14:28:123:34:568:323:37
10:29
#16797
Finish
26.22 mi14:37:033:43:478:328:51
8:41
#16835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi174476002600216297(Top 57%)5317(Top 43%)5317(Top 535%)
10K6.21 mi3.10 mi17163+2845823+1795823+17916907(Top 60%)5652(Top 46%)5652(Top 569%)
15K9.32 mi3.11 mi16824+3395624+1995624+19916297(Top 57%)5317(Top 43%)5317(Top 535%)
20K12.43 mi3.11 mi16562+2625477+1475477+14715919(Top 56%)5168(Top 42%)5168(Top 520%)
Half13.11 mi0.68 mi16556+65472+55472+516444(Top 58%)5449(Top 45%)5449(Top 548%)
25K15.53 mi2.42 mi16720-1645596-1245596-12417723(Top 62%)6259(Top 51%)6259(Top 630%)
30K18.64 mi3.11 mi16678+425624-285624-2816782(Top 59%)5909(Top 48%)5909(Top 594%)
20M20.00 mi1.36 mi16732-545681-575681-5717658(Top 62%)6502(Top 53%)6502(Top 654%)
21M21.00 mi1.00 mi16788-565752-715752-7118244(Top 64%)6915(Top 57%)6915(Top 696%)
35K21.75 mi0.75 mi16756+325747+55747+516506(Top 58%)6065(Top 50%)6065(Top 610%)
23M23.00 mi1.25 mi16748+85780-335780-3316936(Top 60%)6411(Top 52%)6411(Top 645%)
24M24.00 mi1.00 mi16698+505778+25778+215954(Top 56%)5908(Top 48%)5908(Top 594%)
40K24.85 mi0.85 mi16754-565847-695847-6918192(Top 64%)7216(Top 59%)7216(Top 726%)
25.2M25.20 mi0.35 mi16797-435893-465893-4618968(Top 67%)7607(Top 62%)7607(Top 765%)
Finish26.22 mi1.02 mi16835-385924-315924-3117411(Top 61%)6767(Top 55%)6767(Top 681%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16297

Females

5317

F55-59

5317

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16907

Females

5652

F55-59

5652

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16297

Females

5317

F55-59

5317

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15919

Females

5168

F55-59

5168

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16444

Females

5449

F55-59

5449

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

17723

Females

6259

F55-59

6259

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16782

Females

5909

F55-59

5909

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17658

Females

6502

F55-59

6502

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18244

Females

6915

F55-59

6915

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16506

Females

6065

F55-59

6065

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16936

Females

6411

F55-59

6411

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15954

Females

5908

F55-59

5908

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18192

Females

7216

F55-59

7216

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18968

Females

7607

F55-59

7607

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17411

Females

6767

F55-59

6767

Passing Analysis

Category:
Athletes Passed
2211
Passed By
1599
Net Change
+612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17447
5K → 10K454170+284#17447#17163
10K → 15K40566+339#17163#16824
15K → 20K34280+262#16824#16562
20K → Half3630+6#16562#16556
Half → 25K112276-164#16556#16720
25K → 30K237195+42#16720#16678
30K → 20M94148-54#16678#16732
20M → 21M89145-56#16732#16788
21M → 35K7341+32#16788#16756
35K → 23M120112+8#16756#16748
23M → 24M10454+50#16748#16698
24M → 40K67123-56#16698#16754
40K → 25.2M2164-43#16754#16797
25.2M → Finish5795-38#16797#16835
TOTALS22111599+612
📊

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