Boston Marathon logo
BOSTON MARATHON 2025

Jessica Reilly

Bib: 27876•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Division (F18-39)
#0 / 5469
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
7:56/mi
24:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:13:14
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:37:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:43:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
2:02:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:28:08
↑ 181↓ 1480.2%
20M
8:40/mi
2:39:54
↑ 64↓ 500.2%
21M
9:03/mi
2:48:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
2:55:19
↑ 17↓ 861.7%
23M
8:49/mi
3:06:21
↑ 23↓ 630.6%
24M
8:48/mi
3:15:09
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:22:48
↓ 200.3%
25.2M
9:52/mi
3:26:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
3:35:19
↑ 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
Time1:43:05
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:52:14
Pace8:34 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:2324:397:5624:39
7:56
-
10K
6.21 mi12:06:3948:557:5224:16
7:49
-0:07
15K
9.32 mi12:30:581:13:147:5124:19
7:50
+0:01
20K
12.43 mi12:55:291:37:457:5224:31
7:53
+0:03
Half
13.11 mi13:00:491:43:057:525:20
7:49
-0:04
25K
15.53 mi13:19:592:02:157:5219:10
7:54
+0:05
30K
18.64 mi13:45:522:28:087:5725:53
8:20
+0:26
20M
20.00 mi13:57:382:39:548:0011:46
8:40
+0:20
21M
21.00 mi14:06:412:48:578:039:03
9:03
+0:23
35K
21.75 mi14:13:032:55:198:046:22
8:31
-0:32
23M
23.00 mi14:24:053:06:218:0611:02
8:49
+0:18
24M
24.00 mi14:32:533:15:098:088:48
8:48
-0:01
40K
24.85 mi14:40:323:22:488:107:39
8:57
+0:09
25.2M
25.20 mi14:43:563:26:128:113:24
9:52
+0:55
Finish
26.22 mi14:53:033:35:198:139:07
8:57
-0:55

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

7:49 /mi

Average Pace

8:13 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:15

57% of race

Time at Steady Pace

52:49

25% of race

Time at Slower Pace

40:15

19% of race

Average Pace: 8:13 /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 mi11:42:2324:397:5624:39
7:56
#16062
10K
6.21 mi12:06:3948:557:5224:16
7:49
#15436
15K
9.32 mi12:30:581:13:147:5124:19
7:50
#15146
20K
12.43 mi12:55:291:37:457:5224:31
7:53
#14808
Half
13.11 mi13:00:491:43:057:525:20
7:49
#14767
25K
15.53 mi13:19:592:02:157:5219:10
7:54
#14463
30K
18.64 mi13:45:522:28:087:5725:53
8:20
#14255
20M
20.00 mi13:57:382:39:548:0011:46
8:40
#14279
21M
21.00 mi14:06:412:48:578:039:03
9:03
#14235
35K
21.75 mi14:13:032:55:198:046:22
8:31
#14295
23M
23.00 mi14:24:053:06:218:0611:02
8:49
#14361
24M
24.00 mi14:32:533:15:098:088:48
8:48
#14422
40K
24.85 mi14:40:323:22:488:107:39
8:57
#14453
25.2M
25.20 mi14:43:563:26:128:113:24
9:52
#14483
Finish
26.22 mi14:53:033:35:198:139:07
8:57
#14637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi160625183518314620(Top 51%)4371(Top 36%)4371(Top 80%)
10K6.21 mi3.10 mi15436+6264800+3834800+38314936(Top 53%)4495(Top 37%)4495(Top 82%)
15K9.32 mi3.11 mi15146+2904645+1554645+15514620(Top 51%)4371(Top 36%)4371(Top 80%)
20K12.43 mi3.11 mi14808+3384475+1704475+17014023(Top 49%)4111(Top 34%)4111(Top 75%)
Half13.11 mi0.68 mi14767+414453+224453+2214475(Top 51%)4340(Top 35%)4340(Top 79%)
25K15.53 mi2.42 mi14463+3044314+1394314+13913157(Top 46%)3759(Top 31%)3759(Top 69%)
30K18.64 mi3.11 mi14255+2084255+594255+5913703(Top 48%)4203(Top 34%)4203(Top 77%)
20M20.00 mi1.36 mi14279-244292-374292-3714816(Top 52%)4944(Top 40%)4944(Top 90%)
21M21.00 mi1.00 mi14235+444289+34289+313830(Top 49%)4536(Top 37%)4536(Top 83%)
35K21.75 mi0.75 mi14295-604340-514340-5115548(Top 55%)5538(Top 45%)5538(Top 101%)
23M23.00 mi1.25 mi14361-664412-724412-7215193(Top 53%)5433(Top 44%)5433(Top 99%)
24M24.00 mi1.00 mi14422-614466-544466-5416327(Top 57%)6107(Top 50%)6107(Top 112%)
40K24.85 mi0.85 mi14453-314523-574523-5716014(Top 56%)6041(Top 49%)6041(Top 110%)
25.2M25.20 mi0.35 mi14483-304551-284551-2816402(Top 58%)6263(Top 51%)6263(Top 115%)
Finish26.22 mi1.02 mi14637-1544665-1144665-11418769(Top 66%)7465(Top 61%)7465(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14620

Females

4371

F18-39

4371

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14936

Females

4495

F18-39

4495

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14620

Females

4371

F18-39

4371

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

14023

Females

4111

F18-39

4111

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14475

Females

4340

F18-39

4340

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13157

Females

3759

F18-39

3759

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13703

Females

4203

F18-39

4203

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14816

Females

4944

F18-39

4944

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13830

Females

4536

F18-39

4536

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15548

Females

5538

F18-39

5538

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15193

Females

5433

F18-39

5433

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16327

Females

6107

F18-39

6107

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16014

Females

6041

F18-39

6041

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16402

Females

6263

F18-39

6263

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18769

Females

7465

F18-39

7465

Passing Analysis

Category:
Athletes Passed
2779
Passed By
1354
Net Change
+1425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16062
5K → 10K72397+626#16062#15436
10K → 15K36575+290#15436#15146
15K → 20K38749+338#15146#14808
20K → Half5312+41#14808#14767
Half → 25K34036+304#14767#14463
25K → 30K354146+208#14463#14255
30K → 20M109133-24#14255#14279
20M → 21M13793+44#14279#14235
21M → 35K48108-60#14235#14295
35K → 23M93159-66#14295#14361
23M → 24M49110-61#14361#14422
24M → 40K6798-31#14422#14453
40K → 25.2M2353-30#14453#14483
25.2M → Finish31185-154#14483#14637
TOTALS27791354+1425
📊

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