Boston Marathon logo
BOSTON MARATHON 2025

Jennifer Stanger

Bib: 19042•F

NC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 44%
Division (F45-49)
#0 / 1813
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
7:59/mi
24:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:48
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:41:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:46:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:08:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:36:56
↑ 181↓ 1480.2%
20M
9:28/mi
2:49:48
↑ 64↓ 500.2%
21M
10:27/mi
3:00:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:06:54
↑ 17↓ 861.7%
23M
9:27/mi
3:18:44
↑ 23↓ 630.6%
24M
9:10/mi
3:27:54
↓ 821.3%
40K· 24.85 mi
9:14/mi
3:35:48
↓ 200.3%
25.2M
10:18/mi
3:39:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:05/mi
3:48:36
↑ 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
Time1:46:57
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time2:01:39
Pace9:17 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0724:497:5924:49
7:59
-
10K
6.21 mi11:41:0649:488:0124:59
8:02
+0:03
15K
9.32 mi12:06:061:14:488:0225:00
8:03
+0:01
20K
12.43 mi12:32:291:41:118:0926:23
8:30
+0:27
Half
13.11 mi12:38:151:46:578:095:46
8:27
-0:03
25K
15.53 mi12:59:532:08:358:1721:38
8:55
+0:28
30K
18.64 mi13:28:142:36:568:2528:21
9:07
+0:12
20M
20.00 mi13:41:062:49:488:2912:52
9:28
+0:21
21M
21.00 mi13:51:333:00:158:3510:27
10:27
+0:59
35K
21.75 mi13:58:123:06:548:366:39
8:53
-1:34
23M
23.00 mi14:10:023:18:448:3811:50
9:27
+0:34
24M
24.00 mi14:19:123:27:548:409:10
9:10
-0:17
40K
24.85 mi14:27:063:35:488:417:54
9:14
+0:04
25.2M
25.20 mi14:30:393:39:218:423:33
10:18
+1:04
Finish
26.22 mi14:39:543:48:368:449:15
9:05
-1:13

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

7:59 /mi

Average Pace

8:44 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:57

47% of race

Time at Steady Pace

1:22:57

36% of race

Time at Slower Pace

38:42

17% of race

Average Pace: 8:43 /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 mi11:16:0724:497:5924:49
7:59
#16505
10K
6.21 mi11:41:0649:488:0124:59
8:02
#16640
15K
9.32 mi12:06:061:14:488:0225:00
8:03
#16524
20K
12.43 mi12:32:291:41:118:0926:23
8:30
#16986
Half
13.11 mi12:38:151:46:578:095:46
8:27
#17067
25K
15.53 mi12:59:532:08:358:1721:38
8:55
#17468
30K
18.64 mi13:28:142:36:568:2528:21
9:07
#17589
20M
20.00 mi13:41:062:49:488:2912:52
9:28
#17713
21M
21.00 mi13:51:333:00:158:3510:27
10:27
#17921
35K
21.75 mi13:58:123:06:548:366:39
8:53
#17883
23M
23.00 mi14:10:023:18:448:3811:50
9:27
#17926
24M
24.00 mi14:19:123:27:548:409:10
9:10
#17920
40K
24.85 mi14:27:063:35:488:417:54
9:14
#17903
25.2M
25.20 mi14:30:393:39:218:423:33
10:18
#17921
Finish
26.22 mi14:39:543:48:368:449:15
9:05
#17983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi165055456545616402(Top 58%)5383(Top 44%)5383(Top 297%)
10K6.21 mi3.10 mi16640-1355519-635519-6316793(Top 59%)5588(Top 46%)5588(Top 308%)
15K9.32 mi3.11 mi16524+1165444+755444+7516402(Top 58%)5383(Top 44%)5383(Top 297%)
20K12.43 mi3.11 mi16986-4625732-2885732-28818189(Top 64%)6444(Top 53%)6444(Top 355%)
Half13.11 mi0.68 mi17067-815787-555787-5518923(Top 67%)6846(Top 56%)6846(Top 378%)
25K15.53 mi2.42 mi17468-4016041-2546041-25419531(Top 69%)7274(Top 59%)7274(Top 401%)
30K18.64 mi3.11 mi17589-1216178-1376178-13718294(Top 64%)6739(Top 55%)6739(Top 372%)
20M20.00 mi1.36 mi17713-1246269-916269-9119041(Top 67%)7277(Top 60%)7277(Top 401%)
21M21.00 mi1.00 mi17921-2086386-1176386-11719854(Top 70%)7825(Top 64%)7825(Top 432%)
35K21.75 mi0.75 mi17883+386377+96377+917727(Top 62%)6751(Top 55%)6751(Top 372%)
23M23.00 mi1.25 mi17926-436454-776454-7718479(Top 65%)7221(Top 59%)7221(Top 398%)
24M24.00 mi1.00 mi17920+66480-266480-2618202(Top 64%)7141(Top 58%)7141(Top 394%)
40K24.85 mi0.85 mi17903+176493-136493-1317556(Top 62%)6889(Top 56%)6889(Top 380%)
25.2M25.20 mi0.35 mi17921-186512-196512-1918299(Top 64%)7287(Top 60%)7287(Top 402%)
Finish26.22 mi1.02 mi17983-626562-506562-5019423(Top 68%)7823(Top 64%)7823(Top 431%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16402

Females

5383

F45-49

5383

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16793

Females

5588

F45-49

5588

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16402

Females

5383

F45-49

5383

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18189

Females

6444

F45-49

6444

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

18923

Females

6846

F45-49

6846

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19531

Females

7274

F45-49

7274

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18294

Females

6739

F45-49

6739

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

19041

Females

7277

F45-49

7277

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19854

Females

7825

F45-49

7825

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17727

Females

6751

F45-49

6751

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18479

Females

7221

F45-49

7221

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18202

Females

7141

F45-49

7141

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17556

Females

6889

F45-49

6889

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18299

Females

7287

F45-49

7287

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19423

Females

7823

F45-49

7823

Passing Analysis

Category:
Athletes Passed
1386
Passed By
2864
Net Change
-1478
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16505
5K → 10K246381-135#16505#16640
10K → 15K262146+116#16640#16524
15K → 20K82544-462#16524#16986
20K → Half1697-81#16986#17067
Half → 25K78479-401#17067#17468
25K → 30K186307-121#17468#17589
30K → 20M82206-124#17589#17713
20M → 21M45253-208#17713#17921
21M → 35K8244+38#17921#17883
35K → 23M93136-43#17883#17926
23M → 24M7973+6#17926#17920
24M → 40K6447+17#17920#17903
40K → 25.2M2038-18#17903#17921
25.2M → Finish51113-62#17921#17983
TOTALS13862864-1478
📊

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