Boston Marathon logo
BOSTON MARATHON 2025

Stephen Dunlop

Bib: 8051•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M65-69)
#0 / 639
Top 1%
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
6:55/mi
21:29
↑ 97↓ 3451.5%
10K· 6.21 mi
6:50/mi
42:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:05:09
↑ 67↓ 78
20K· 12.43 mi
6:58/mi
1:26:47
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:31:27
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:48:18
↑ 66↓ 880.2%
30K· 18.64 mi
7:14/mi
2:10:47
↑ 181↓ 1480.2%
20M
7:19/mi
2:20:43
↑ 64↓ 500.2%
21M
7:51/mi
2:28:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:34:43
↑ 17↓ 861.7%
23M
9:16/mi
2:46:19
↑ 23↓ 630.6%
24M
7:24/mi
2:53:43
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:00:33
↓ 200.3%
25.2M
8:42/mi
3:03:33
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:11:06
↑ 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
Time1:31:27
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:39:39
Pace7:36 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:5921:296:5521:29
6:55
-
10K
6.21 mi10:51:1342:436:5221:14
6:50
-0:05
15K
9.32 mi11:13:391:05:096:5922:26
7:13
+0:23
20K
12.43 mi11:35:171:26:476:5921:38
6:58
-0:15
Half
13.11 mi11:39:571:31:276:594:40
6:50
-0:08
25K
15.53 mi11:56:481:48:186:5816:51
6:57
+0:07
30K
18.64 mi12:19:172:10:477:0122:29
7:14
+0:17
20M
20.00 mi12:29:132:20:437:029:56
7:19
+0:05
21M
21.00 mi12:37:042:28:347:047:51
7:51
+0:32
35K
21.75 mi12:43:132:34:437:076:09
8:13
+0:22
23M
23.00 mi12:54:492:46:197:1411:36
9:16
+1:03
24M
24.00 mi13:02:132:53:437:147:24
7:24
-1:52
40K
24.85 mi13:09:033:00:337:166:50
8:00
+0:36
25.2M
25.20 mi13:12:033:03:337:173:00
8:42
+0:42
Finish
26.22 mi13:19:363:11:067:187:33
7:25
-1:17

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

6:50 /mi

Average Pace

7:18 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:14

34% of race

Time at Steady Pace

1:31:26

48% of race

Time at Slower Pace

35:26

19% of race

Average Pace: 7:17 /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 mi10:29:5921:296:5521:29
6:55
#7178
10K
6.21 mi10:51:1342:436:5221:14
6:50
#6965
15K
9.32 mi11:13:391:05:096:5922:26
7:13
#7687
20K
12.43 mi11:35:171:26:476:5921:38
6:58
#7378
Half
13.11 mi11:39:571:31:276:594:40
6:50
#7327
25K
15.53 mi11:56:481:48:186:5816:51
6:57
#7074
30K
18.64 mi12:19:172:10:477:0122:29
7:14
#6775
20M
20.00 mi12:29:132:20:437:029:56
7:19
#6613
21M
21.00 mi12:37:042:28:347:047:51
7:51
#6534
35K
21.75 mi12:43:132:34:437:076:09
8:13
#6714
23M
23.00 mi12:54:492:46:197:1411:36
9:16
#7327
24M
24.00 mi13:02:132:53:437:147:24
7:24
#7258
40K
24.85 mi13:09:033:00:337:166:50
8:00
#7320
25.2M
25.20 mi13:12:033:03:337:173:00
8:42
#7337
Finish
26.22 mi13:19:363:11:067:187:33
7:25
#7355
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi7178643364339279(Top 33%)7697(Top 48%)7697(Top 1205%)
10K6.21 mi3.10 mi6965+2136268+1656268+1656731(Top 24%)6069(Top 38%)6069(Top 950%)
15K9.32 mi3.11 mi7687-7226768-5006768-5009279(Top 33%)7697(Top 48%)7697(Top 1205%)
20K12.43 mi3.11 mi7378+3096542+2266542+2266653(Top 23%)5943(Top 37%)5943(Top 930%)
Half13.11 mi0.68 mi7327+516505+376505+376457(Top 23%)5797(Top 36%)5797(Top 907%)
25K15.53 mi2.42 mi7074+2536312+1936312+1935977(Top 21%)5381(Top 33%)5381(Top 842%)
30K18.64 mi3.11 mi6775+2996037+2756037+2756102(Top 21%)5382(Top 33%)5382(Top 842%)
20M20.00 mi1.36 mi6613+1625894+1435894+1435841(Top 21%)5084(Top 32%)5084(Top 796%)
21M21.00 mi1.00 mi6534+795813+815813+816466(Top 23%)5361(Top 33%)5361(Top 839%)
35K21.75 mi0.75 mi6714-1805932-1195932-11913699(Top 48%)9122(Top 57%)9122(Top 1428%)
23M23.00 mi1.25 mi7327-6136307-3756307-37517602(Top 62%)10761(Top 67%)10761(Top 1684%)
24M24.00 mi1.00 mi7258+696233+746233+747018(Top 25%)5533(Top 34%)5533(Top 866%)
40K24.85 mi0.85 mi7320-626245-126245-1210088(Top 36%)7079(Top 44%)7079(Top 1108%)
25.2M25.20 mi0.35 mi7337-176244+16244+19904(Top 35%)6880(Top 43%)6880(Top 1077%)
Finish26.22 mi1.02 mi7355-186226+186226+188516(Top 30%)6188(Top 38%)6188(Top 968%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9279

Males

7697

M65-69

7697

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6731

Males

6069

M65-69

6069

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9279

Males

7697

M65-69

7697

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6653

Males

5943

M65-69

5943

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6457

Males

5797

M65-69

5797

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5977

Males

5381

M65-69

5381

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

6102

Males

5382

M65-69

5382

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5841

Males

5084

M65-69

5084

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6466

Males

5361

M65-69

5361

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13699

Males

9122

M65-69

9122

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17602

Males

10761

M65-69

10761

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

7018

Males

5533

M65-69

5533

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10088

Males

7079

M65-69

7079

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9904

Males

6880

M65-69

6880

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8516

Males

6188

M65-69

6188

Passing Analysis

Category:
Athletes Passed
1878
Passed By
2055
Net Change
-177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7178
5K → 10K322109+213#7178#6965
10K → 15K21743-722#6965#7687
15K → 20K31910+309#7687#7378
20K → Half543+51#7378#7327
Half → 25K26613+253#7327#7074
25K → 30K34142+299#7074#6775
30K → 20M18119+162#6775#6613
20M → 21M11334+79#6613#6534
21M → 35K15195-180#6534#6714
35K → 23M19632-613#6714#7327
23M → 24M11041+69#7327#7258
24M → 40K44106-62#7258#7320
40K → 25.2M2239-17#7320#7337
25.2M → Finish5169-18#7337#7355
TOTALS18782055-177
📊

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