Boston Marathon logo
BOSTON MARATHON 2025

Jennifer Herring

Bib: P148•F

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:22/mi
26:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:26
↑ 79↓ 1380.4%
15K· 9.32 mi
9:03/mi
1:20:34
↑ 67↓ 78
20K· 12.43 mi
8:50/mi
1:48:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:53:59
↑ 19↓ 370.5%
25K· 15.53 mi
9:41/mi
2:17:28
↑ 66↓ 880.2%
30K· 18.64 mi
12:55/mi
2:57:36
↑ 181↓ 1480.2%
20M
14:14/mi
3:16:57
↑ 64↓ 500.2%
21M
14:26/mi
3:31:23
↑ 106↓ 241.6%
35K· 21.75 mi
12:03/mi
3:40:24
↑ 17↓ 861.7%
23M
14:08/mi
3:58:06
↑ 23↓ 630.6%
24M
14:08/mi
4:12:14
↓ 821.3%
40K· 24.85 mi
14:10/mi
4:24:21
↓ 200.3%
25.2M
13:52/mi
4:29:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:26/mi
4:38:45
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:59
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:44:46
Pace12:34 /mi
📊Positive Split: 44.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:0426:018:2226:01
8:22
-
10K
6.21 mi10:42:2952:268:2626:25
8:30
+0:08
15K
9.32 mi11:10:371:20:348:3928:08
9:03
+0:33
20K
12.43 mi11:38:051:48:028:4227:28
8:50
-0:13
Half
13.11 mi11:44:021:53:598:425:57
8:43
-0:07
25K
15.53 mi12:07:312:17:288:5123:29
9:41
+0:58
30K
18.64 mi12:47:392:57:369:3240:08
12:55
+3:14
20M
20.00 mi13:07:003:16:579:5119:21
14:14
+1:19
21M
21.00 mi13:21:263:31:2310:0414:26
14:26
+0:12
35K
21.75 mi13:30:273:40:2410:089:01
12:03
-2:23
23M
23.00 mi13:48:093:58:0610:2117:42
14:08
+2:05
24M
24.00 mi14:02:174:12:1410:3114:08
14:08
0:00
40K
24.85 mi14:14:244:24:2110:3812:07
14:10
+0:02
25.2M
25.20 mi14:19:114:29:0810:414:47
13:52
-0:18
Finish
26.22 mi14:28:484:38:4510:389:37
9:26
-4:26

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

8:22 /mi

Average Pace

10:38 /mi

Slowest Pace

14:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:05

53% of race

Time at Steady Pace

49:09

18% of race

Time at Slower Pace

1:22:31

30% of race

Average Pace: 10:38 /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 mi10:16:0426:018:2226:01
8:22
#19143
10K
6.21 mi10:42:2952:268:2626:25
8:30
#19467
15K
9.32 mi11:10:371:20:348:3928:08
9:03
#20429
20K
12.43 mi11:38:051:48:028:4227:28
8:50
#20370
Half
13.11 mi11:44:021:53:598:425:57
8:43
#20374
25K
15.53 mi12:07:312:17:288:5123:29
9:41
#20863
30K
18.64 mi12:47:392:57:369:3240:08
12:55
#22878
20M
20.00 mi13:07:003:16:579:5119:21
14:14
#23575
21M
21.00 mi13:21:263:31:2310:0414:26
14:26
#23897
35K
21.75 mi13:30:273:40:2410:089:01
12:03
#24010
23M
23.00 mi13:48:093:58:0610:2117:42
14:08
#24381
24M
24.00 mi14:02:174:12:1410:3114:08
14:08
#24633
40K
24.85 mi14:14:244:24:2110:3812:07
14:10
#24807
25.2M
25.20 mi14:19:114:29:0810:414:47
13:52
#24841
Finish
26.22 mi14:28:484:38:4510:389:37
9:26
#24759
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi191436992699222263(Top 78%)8703(Top 71%)8703(Top 668%)
10K6.21 mi3.10 mi19467-3247165-1737165-17319803(Top 70%)7365(Top 60%)7365(Top 565%)
15K9.32 mi3.11 mi20429-9627717-5527717-55222263(Top 78%)8703(Top 71%)8703(Top 668%)
20K12.43 mi3.11 mi20370+597687+307687+3020144(Top 71%)7567(Top 62%)7567(Top 581%)
Half13.11 mi0.68 mi20374-47690-37690-320423(Top 72%)7724(Top 63%)7724(Top 593%)
25K15.53 mi2.42 mi20863-4897963-2737963-27322452(Top 79%)8907(Top 73%)8907(Top 684%)
30K18.64 mi3.11 mi22878-20159115-11529115-115226591(Top 94%)11273(Top 92%)11273(Top 865%)
20M20.00 mi1.36 mi23575-6979521-4069521-40627452(Top 97%)11792(Top 96%)11792(Top 905%)
21M21.00 mi1.00 mi23897-3229710-1899710-18926640(Top 94%)11390(Top 93%)11390(Top 874%)
35K21.75 mi0.75 mi24010-1139788-789788-7825918(Top 91%)11058(Top 90%)11058(Top 849%)
23M23.00 mi1.25 mi24381-3719995-2079995-20727420(Top 97%)11813(Top 97%)11813(Top 907%)
24M24.00 mi1.00 mi24633-25210149-15410149-15427719(Top 98%)11997(Top 98%)11997(Top 921%)
40K24.85 mi0.85 mi24807-17410250-10110250-10127301(Top 96%)11787(Top 96%)11787(Top 905%)
25.2M25.20 mi0.35 mi24841-3410273-2310273-2326099(Top 92%)11226(Top 92%)11226(Top 862%)
Finish26.22 mi1.02 mi24759+8210240+3310240+3320930(Top 74%)8632(Top 71%)8632(Top 662%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22263

Females

8703

F50-54

8703

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19803

Females

7365

F50-54

7365

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22263

Females

8703

F50-54

8703

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20144

Females

7567

F50-54

7567

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20423

Females

7724

F50-54

7724

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22452

Females

8907

F50-54

8907

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26591

Females

11273

F50-54

11273

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27452

Females

11792

F50-54

11792

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26640

Females

11390

F50-54

11390

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25918

Females

11058

F50-54

11058

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27420

Females

11813

F50-54

11813

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27719

Females

11997

F50-54

11997

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27301

Females

11787

F50-54

11787

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26099

Females

11226

F50-54

11226

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

20930

Females

8632

F50-54

8632

Passing Analysis

Category:
Athletes Passed
621
Passed By
6237
Net Change
-5616
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19143
5K → 10K129453-324#19143#19467
10K → 15K421004-962#19467#20429
15K → 20K207148+59#20429#20370
20K → Half3034-4#20370#20374
Half → 25K50539-489#20374#20863
25K → 30K122027-2015#20863#22878
30K → 20M11708-697#22878#23575
20M → 21M9331-322#23575#23897
21M → 35K10123-113#23897#24010
35K → 23M13384-371#24010#24381
23M → 24M8260-252#24381#24633
24M → 40K5179-174#24633#24807
40K → 25.2M943-34#24807#24841
25.2M → Finish864+82#24841#24759
TOTALS6216237-5616
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing