Boston Marathon logo
BOSTON MARATHON 2025

Erling Donnelly

Bib: 29542•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
8:15/mi
25:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
50:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:15:54
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:41:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:46:32
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:06:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:32:15
↑ 181↓ 1480.2%
20M
8:25/mi
2:43:41
↑ 64↓ 500.2%
21M
8:56/mi
2:52:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:58:45
↑ 17↓ 861.7%
23M
8:16/mi
3:09:06
↑ 23↓ 630.6%
24M
8:02/mi
3:17:08
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:24:04
↓ 200.3%
25.2M
8:54/mi
3:27:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:35:02
↑ 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
Time1:46:32
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:48:30
Pace8:17 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2825:378:1525:37
8:15
-
10K
6.21 mi12:08:3650:458:1025:08
8:05
-0:10
15K
9.32 mi12:33:451:15:548:0925:09
8:06
+0:01
20K
12.43 mi12:59:021:41:118:0925:17
8:08
+0:02
Half
13.11 mi13:04:231:46:328:085:21
7:50
-0:18
25K
15.53 mi13:24:002:06:098:0719:37
8:05
+0:15
30K
18.64 mi13:50:062:32:158:1026:06
8:24
+0:19
20M
20.00 mi14:01:322:43:418:1111:26
8:25
+0:01
21M
21.00 mi14:10:282:52:378:138:56
8:56
+0:31
35K
21.75 mi14:16:362:58:458:136:08
8:12
-0:44
23M
23.00 mi14:26:573:09:068:1310:21
8:16
+0:04
24M
24.00 mi14:34:593:17:088:138:02
8:02
-0:14
40K
24.85 mi14:41:553:24:048:136:56
8:07
+0:05
25.2M
25.20 mi14:44:593:27:088:133:04
8:54
+0:47
Finish
26.22 mi14:52:533:35:028:127:54
7:45
-1:09

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

7:45 /mi

Average Pace

8:12 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:02

94% of race

Time at Steady Pace

12:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:43:2825:378:1525:37
8:15
#18376
10K
6.21 mi12:08:3650:458:1025:08
8:05
#17741
15K
9.32 mi12:33:451:15:548:0925:09
8:06
#17375
20K
12.43 mi12:59:021:41:118:0925:17
8:08
#16980
Half
13.11 mi13:04:231:46:328:085:21
7:50
#16868
25K
15.53 mi13:24:002:06:098:0719:37
8:05
#16457
30K
18.64 mi13:50:062:32:158:1026:06
8:24
#15986
20M
20.00 mi14:01:322:43:418:1111:26
8:25
#15739
21M
21.00 mi14:10:282:52:378:138:56
8:56
#15530
35K
21.75 mi14:16:362:58:458:136:08
8:12
#15453
23M
23.00 mi14:26:573:09:068:1310:21
8:16
#15198
24M
24.00 mi14:34:593:17:088:138:02
8:02
#14974
40K
24.85 mi14:41:553:24:048:136:56
8:07
#14813
25.2M
25.20 mi14:44:593:27:088:133:04
8:54
#14741
Finish
26.22 mi14:52:533:35:028:127:54
7:45
#14579
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi18376117501175016687(Top 59%)11082(Top 69%)11082(Top 464%)
10K6.21 mi3.10 mi17741+63511520+23011520+23017107(Top 60%)11289(Top 70%)11289(Top 473%)
15K9.32 mi3.11 mi17375+36611384+13611384+13616687(Top 59%)11082(Top 69%)11082(Top 464%)
20K12.43 mi3.11 mi16980+39511202+18211202+18215888(Top 56%)10693(Top 66%)10693(Top 448%)
Half13.11 mi0.68 mi16868+11211161+4111161+4114556(Top 51%)10137(Top 63%)10137(Top 425%)
25K15.53 mi2.42 mi16457+41110970+19110970+19114565(Top 51%)10005(Top 62%)10005(Top 419%)
30K18.64 mi3.11 mi15986+47110726+24410726+24414144(Top 50%)9652(Top 60%)9652(Top 405%)
20M20.00 mi1.36 mi15739+24710577+14910577+14913233(Top 47%)9097(Top 56%)9097(Top 381%)
21M21.00 mi1.00 mi15530+20910454+12310454+12313117(Top 46%)8909(Top 55%)8909(Top 373%)
35K21.75 mi0.75 mi15453+7710408+4610408+4613596(Top 48%)9089(Top 56%)9089(Top 381%)
23M23.00 mi1.25 mi15198+25510267+14110267+14111818(Top 42%)8155(Top 51%)8155(Top 342%)
24M24.00 mi1.00 mi14974+22410145+12210145+12211487(Top 40%)7908(Top 49%)7908(Top 331%)
40K24.85 mi0.85 mi14813+16110044+10110044+10110939(Top 39%)7549(Top 47%)7549(Top 316%)
25.2M25.20 mi0.35 mi14741+7210004+4010004+4011174(Top 39%)7580(Top 47%)7580(Top 318%)
Finish26.22 mi1.02 mi14579+1629895+1099895+10911089(Top 39%)7566(Top 47%)7566(Top 317%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16687

Males

11082

M45-49

11082

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17107

Males

11289

M45-49

11289

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16687

Males

11082

M45-49

11082

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15888

Males

10693

M45-49

10693

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14556

Males

10137

M45-49

10137

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14565

Males

10005

M45-49

10005

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14144

Males

9652

M45-49

9652

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13233

Males

9097

M45-49

9097

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13117

Males

8909

M45-49

8909

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13596

Males

9089

M45-49

9089

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11818

Males

8155

M45-49

8155

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11487

Males

7908

M45-49

7908

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10939

Males

7549

M45-49

7549

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11174

Males

7580

M45-49

7580

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

11089

Males

7566

M45-49

7566

Passing Analysis

Category:
Athletes Passed
4108
Passed By
311
Net Change
+3797
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18376
5K → 10K71075+635#18376#17741
10K → 15K42559+366#17741#17375
15K → 20K42328+395#17375#16980
20K → Half1142+112#16980#16868
Half → 25K4209+411#16868#16457
25K → 30K50635+471#16457#15986
30K → 20M26619+247#15986#15739
20M → 21M23223+209#15739#15530
21M → 35K9619+77#15530#15453
35K → 23M26611+255#15453#15198
23M → 24M2295+224#15198#14974
24M → 40K1665+161#14974#14813
40K → 25.2M808+72#14813#14741
25.2M → Finish17513+162#14741#14579
TOTALS4108311+3797
📊

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