Boston Marathon logo
BOSTON MARATHON 2025

Celine Shenk

Bib: 15810•F

OH

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Masters (Masters Women)
#0 / 6759
Top 18%
Division (F40-44)
#0 / 1718
Top 36%
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
7:55/mi
24:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
49:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:13:53
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:39:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:45:00
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:04:26
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:29:50
↑ 181↓ 1480.2%
20M
8:15/mi
2:41:02
↑ 64↓ 500.2%
21M
8:41/mi
2:49:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:55:48
↑ 17↓ 861.7%
23M
8:01/mi
3:05:50
↑ 23↓ 630.6%
24M
7:54/mi
3:13:44
↓ 821.3%
40K· 24.85 mi
7:53/mi
3:20:28
↓ 200.3%
25.2M
8:25/mi
3:23:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:05/mi
3:30:35
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:45:00
Pace8:01 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:45:35
Pace8:03 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3624:377:5524:37
7:55
-
10K
6.21 mi11:22:0849:097:5524:32
7:54
-0:01
15K
9.32 mi11:46:521:13:537:5624:44
7:58
+0:04
20K
12.43 mi12:12:401:39:418:0125:48
8:18
+0:20
Half
13.11 mi12:17:591:45:008:015:19
7:48
-0:30
25K
15.53 mi12:37:252:04:268:0119:26
8:01
+0:13
30K
18.64 mi13:02:492:29:508:0225:24
8:11
+0:10
20M
20.00 mi13:14:012:41:028:0311:12
8:15
+0:04
21M
21.00 mi13:22:422:49:438:058:41
8:41
+0:26
35K
21.75 mi13:28:472:55:488:056:05
8:08
-0:33
23M
23.00 mi13:38:493:05:508:0510:02
8:01
-0:07
24M
24.00 mi13:46:433:13:448:047:54
7:54
-0:07
40K
24.85 mi13:53:273:20:288:046:44
7:53
-0:01
25.2M
25.20 mi13:56:213:23:228:042:54
8:25
+0:32
Finish
26.22 mi14:03:343:30:358:027:13
7:05
-1:20

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

7:05 /mi

Average Pace

8:02 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:32

6% of race

Time at Steady Pace

2:29:28

71% of race

Time at Slower Pace

48:35

23% of race

Average Pace: 8:02 /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 mi10:57:3624:377:5524:37
7:55
#15943
10K
6.21 mi11:22:0849:097:5524:32
7:54
#15781
15K
9.32 mi11:46:521:13:537:5624:44
7:58
#15729
20K
12.43 mi12:12:401:39:418:0125:48
8:18
#16099
Half
13.11 mi12:17:591:45:008:015:19
7:48
#15996
25K
15.53 mi12:37:252:04:268:0119:26
8:01
#15627
30K
18.64 mi13:02:492:29:508:0225:24
8:11
#15029
20M
20.00 mi13:14:012:41:028:0311:12
8:15
#14762
21M
21.00 mi13:22:422:49:438:058:41
8:41
#14523
35K
21.75 mi13:28:472:55:488:056:05
8:08
#14458
23M
23.00 mi13:38:493:05:508:0510:02
8:01
#14178
24M
24.00 mi13:46:433:13:448:047:54
7:54
#13996
40K
24.85 mi13:53:273:20:288:046:44
7:53
#13761
25.2M
25.20 mi13:56:213:23:228:042:54
8:25
#13657
Finish
26.22 mi14:03:343:30:358:027:13
7:05
#13362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi159435109510915743(Top 55%)4992(Top 41%)4992(Top 291%)
10K6.21 mi3.10 mi15781+1625007+1025007+10215641(Top 55%)4908(Top 40%)4908(Top 286%)
15K9.32 mi3.11 mi15729+524967+404967+4015743(Top 55%)4992(Top 41%)4992(Top 291%)
20K12.43 mi3.11 mi16099-3705212-2455212-24516957(Top 60%)5750(Top 47%)5750(Top 335%)
Half13.11 mi0.68 mi15996+1035146+665146+6614248(Top 50%)4199(Top 34%)4199(Top 244%)
25K15.53 mi2.42 mi15627+3694956+1904956+19014016(Top 49%)4210(Top 34%)4210(Top 245%)
30K18.64 mi3.11 mi15029+5984682+2744682+27412652(Top 45%)3646(Top 30%)3646(Top 212%)
20M20.00 mi1.36 mi14762+2674561+1214561+12112108(Top 43%)3512(Top 29%)3512(Top 204%)
21M21.00 mi1.00 mi14523+2394451+1104451+11011610(Top 41%)3408(Top 28%)3408(Top 198%)
35K21.75 mi0.75 mi14458+654427+244427+2413169(Top 46%)4253(Top 35%)4253(Top 248%)
23M23.00 mi1.25 mi14178+2804326+1014326+10110168(Top 36%)2835(Top 23%)2835(Top 165%)
24M24.00 mi1.00 mi13996+1824263+634263+6310595(Top 37%)3106(Top 25%)3106(Top 181%)
40K24.85 mi0.85 mi13761+2354158+1054158+1059349(Top 33%)2623(Top 21%)2623(Top 153%)
25.2M25.20 mi0.35 mi13657+1044106+524106+528394(Top 30%)2274(Top 19%)2274(Top 132%)
Finish26.22 mi1.02 mi13362+2953963+1433963+1436311(Top 22%)1377(Top 11%)1377(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15743

Females

4992

F40-44

4992

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15641

Females

4908

F40-44

4908

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15743

Females

4992

F40-44

4992

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16957

Females

5750

F40-44

5750

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14248

Females

4199

F40-44

4199

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

14016

Females

4210

F40-44

4210

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12652

Females

3646

F40-44

3646

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12108

Females

3512

F40-44

3512

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11610

Females

3408

F40-44

3408

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13169

Females

4253

F40-44

4253

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10168

Females

2835

F40-44

2835

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10595

Females

3106

F40-44

3106

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9349

Females

2623

F40-44

2623

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8394

Females

2274

F40-44

2274

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

6311

Females

1377

F40-44

1377

Passing Analysis

Category:
Athletes Passed
3612
Passed By
1031
Net Change
+2581
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15943
5K → 10K398236+162#15943#15781
10K → 15K235183+52#15781#15729
15K → 20K111481-370#15729#16099
20K → Half1107+103#16099#15996
Half → 25K38819+369#15996#15627
25K → 30K61618+598#15627#15029
30K → 20M28417+267#15029#14762
20M → 21M25718+239#14762#14523
21M → 35K9025+65#14523#14458
35K → 23M2866+280#14458#14178
23M → 24M19210+182#14178#13996
24M → 40K2438+235#13996#13761
40K → 25.2M1051+104#13761#13657
25.2M → Finish2972+295#13657#13362
TOTALS36121031+2581
📊

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