Boston Marathon logo
BOSTON MARATHON 2025

Daniel Whittington

Bib: 9424•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M45-49)
#0 / 2386
Top 49%
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
7:37/mi
23:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
47:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:10:41
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:39:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:57:39
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:21:49
↑ 181↓ 1480.2%
20M
7:32/mi
2:32:03
↑ 64↓ 500.2%
21M
8:12/mi
2:40:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:45:38
↑ 17↓ 861.7%
23M
7:11/mi
2:54:38
↑ 23↓ 630.6%
24M
6:56/mi
3:01:34
↓ 821.3%
40K· 24.85 mi
7:10/mi
3:07:42
↓ 200.3%
25.2M
7:56/mi
3:10:26
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:17:30
↑ 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
Distance13.11 mi
Time1:39:22
Pace7:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:08
Pace7:29 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3023:417:3723:41
7:37
-
10K
6.21 mi11:14:1847:297:3923:48
7:40
+0:03
15K
9.32 mi11:37:301:10:417:3523:12
7:28
-0:12
20K
12.43 mi12:01:061:34:177:3523:36
7:36
+0:08
Half
13.11 mi12:06:111:39:227:355:05
7:27
-0:09
25K
15.53 mi12:24:281:57:397:3418:17
7:32
+0:05
30K
18.64 mi12:48:382:21:497:3624:10
7:47
+0:15
20M
20.00 mi12:58:522:32:037:3610:14
7:32
-0:15
21M
21.00 mi13:07:042:40:157:388:12
8:12
+0:40
35K
21.75 mi13:12:272:45:387:375:23
7:12
-1:00
23M
23.00 mi13:21:272:54:387:369:00
7:11
-0:01
24M
24.00 mi13:28:233:01:347:346:56
6:56
-0:15
40K
24.85 mi13:34:313:07:427:336:08
7:10
+0:14
25.2M
25.20 mi13:37:153:10:267:332:44
7:56
+0:46
Finish
26.22 mi13:44:193:17:307:327:04
6:56
-1:00

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

6:56 /mi

Average Pace

7:32 /mi

Slowest Pace

8:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:36

70% of race

Time at Steady Pace

50:42

26% of race

Time at Slower Pace

8:12

4% of race

Average Pace: 7:32 /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 mi10:50:3023:417:3723:41
7:37
#13295
10K
6.21 mi11:14:1847:297:3923:48
7:40
#13392
15K
9.32 mi11:37:301:10:417:3523:12
7:28
#12717
20K
12.43 mi12:01:061:34:177:3523:36
7:36
#12367
Half
13.11 mi12:06:111:39:227:355:05
7:27
#12324
25K
15.53 mi12:24:281:57:397:3418:17
7:32
#11948
30K
18.64 mi12:48:382:21:497:3624:10
7:47
#11482
20M
20.00 mi12:58:522:32:037:3610:14
7:32
#11100
21M
21.00 mi13:07:042:40:157:388:12
8:12
#10917
35K
21.75 mi13:12:272:45:387:375:23
7:12
#10735
23M
23.00 mi13:21:272:54:387:369:00
7:11
#10288
24M
24.00 mi13:28:233:01:347:346:56
6:56
#9923
40K
24.85 mi13:34:313:07:427:336:08
7:10
#9669
25.2M
25.20 mi13:37:153:10:267:332:44
7:56
#9569
Finish
26.22 mi13:44:193:17:307:327:04
6:56
#9365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi132959762976211470(Top 40%)8816(Top 55%)8816(Top 369%)
10K6.21 mi3.10 mi13392-979768-69768-613526(Top 48%)9803(Top 61%)9803(Top 411%)
15K9.32 mi3.11 mi12717+6759463+3059463+30511470(Top 40%)8816(Top 55%)8816(Top 369%)
20K12.43 mi3.11 mi12367+3509260+2039260+20311541(Top 41%)8746(Top 54%)8746(Top 367%)
Half13.11 mi0.68 mi12324+439237+239237+2311230(Top 40%)8641(Top 54%)8641(Top 362%)
25K15.53 mi2.42 mi11948+3769022+2159022+21510283(Top 36%)8025(Top 50%)8025(Top 336%)
30K18.64 mi3.11 mi11482+4668730+2928730+2929755(Top 34%)7561(Top 47%)7561(Top 317%)
20M20.00 mi1.36 mi11100+3828515+2158515+2157213(Top 25%)5976(Top 37%)5976(Top 250%)
21M21.00 mi1.00 mi10917+1838383+1328383+1328571(Top 30%)6579(Top 41%)6579(Top 276%)
35K21.75 mi0.75 mi10735+1828279+1048279+1046588(Top 23%)5454(Top 34%)5454(Top 229%)
23M23.00 mi1.25 mi10288+4478002+2778002+2774813(Top 17%)4189(Top 26%)4189(Top 176%)
24M24.00 mi1.00 mi9923+3657794+2087794+2084284(Top 15%)3765(Top 23%)3765(Top 158%)
40K24.85 mi0.85 mi9669+2547632+1627632+1624928(Top 17%)4172(Top 26%)4172(Top 175%)
25.2M25.20 mi0.35 mi9569+1007563+697563+695591(Top 20%)4509(Top 28%)4509(Top 189%)
Finish26.22 mi1.02 mi9365+2047413+1507413+1505320(Top 19%)4331(Top 27%)4331(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11470

Males

8816

M45-49

8816

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13526

Males

9803

M45-49

9803

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11470

Males

8816

M45-49

8816

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11541

Males

8746

M45-49

8746

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11230

Males

8641

M45-49

8641

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10283

Males

8025

M45-49

8025

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9755

Males

7561

M45-49

7561

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

7213

Males

5976

M45-49

5976

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8571

Males

6579

M45-49

6579

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6588

Males

5454

M45-49

5454

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4813

Males

4189

M45-49

4189

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4284

Males

3765

M45-49

3765

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4928

Males

4172

M45-49

4172

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5591

Males

4509

M45-49

4509

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5320

Males

4331

M45-49

4331

Passing Analysis

Category:
Athletes Passed
4441*
Passed By
511
Net Change
+3930
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13295
5K → 10K244341-97#13295#13392
10K → 15K69924+675#13392#12717
15K → 20K39949+350#12717#12367
20K → Half5411+43#12367#12324
Half → 25K38610+376#12324#11948
25K → 30K50438+466#11948#11482
30K → 20M3820+382#11482#11100
20M → 21M20421+183#11100#10917
21M → 35K1820+182#10917#10735
35K → 23M4492+447#10735#10288
23M → 24M365*0+365#10288#9923
24M → 40K2540+254#9923#9669
40K → 25.2M1033+100#9669#9569
25.2M → Finish21612+204#9569#9365
TOTALS4441*511+3930

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing