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BOSTON MARATHON 2025

Stuart Mansbridge

Bib: 6928•M

QC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 43%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:54
Rank: #8202
Start → 5K
21:54 | 7:03/mi
10K· 6.21 mi
44:06
Rank: #8618 (-416)
5K → 10K
22:12 | 7:09/mi
15K· 9.32 mi
1:06:33
Rank: #8832 (-214)
10K → 15K
22:27 | 7:14/mi
20K· 12.43 mi
1:29:18
Rank: #8849 (-17)
15K → 20K
22:45 | 7:19/mi
Half· 13.11 mi
1:34:09
Rank: #8810 (+39)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:52:34
Rank: #9084 (-274)
Half → 25K
18:25 | 7:36/mi
30K· 18.64 mi
2:16:50
Rank: #9200 (-116)
25K → 30K
24:16 | 7:49/mi
20M
2:27:12
Rank: #9050 (+150)
30K → 20M
10:22 | 7:38/mi
21M
2:35:24
Rank: #8993 (+57)
20M → 21M
8:12 | 8:12/mi
35K· 21.75 mi
2:40:58
Rank: #8913 (+80)
21M → 35K
5:34 | 7:26/mi
23M
2:50:24
Rank: #8723 (+190)
35K → 23M
9:26 | 7:32/mi
24M
2:58:02
Rank: #8680 (+43)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:04:29
Rank: #8565 (+115)
24M → 40K
6:27 | 7:33/mi
25.2M
3:07:16
Rank: #8501 (+64)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:14:26
Rank: #8374 (+127)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:09
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:40:17
Pace7:39 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:5621:547:0321:54
7:03
-
10K
6.21 mi10:52:0844:067:0622:12
7:09
+0:06
15K
9.32 mi11:14:351:06:337:0822:27
7:14
+0:05
20K
12.43 mi11:37:201:29:187:1122:45
7:19
+0:05
Half
13.11 mi11:42:111:34:097:114:51
7:07
-0:12
25K
15.53 mi12:00:361:52:347:1518:25
7:36
+0:29
30K
18.64 mi12:24:522:16:507:2024:16
7:49
+0:13
20M
20.00 mi12:35:142:27:127:2210:22
7:38
-0:11
21M
21.00 mi12:43:262:35:247:248:12
8:12
+0:34
35K
21.75 mi12:49:002:40:587:245:34
7:26
-0:46
23M
23.00 mi12:58:262:50:247:259:26
7:32
+0:06
24M
24.00 mi13:06:042:58:027:257:38
7:38
+0:06
40K
24.85 mi13:12:313:04:297:256:27
7:33
-0:05
25.2M
25.20 mi13:15:183:07:167:262:47
8:04
+0:31
Finish
26.22 mi13:22:283:14:267:257:10
7:02
-1:02

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

7:02 /mi

Average Pace

7:25 /mi

Slowest Pace

8:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:11

82% of race

Time at Steady Pace

35:15

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:29:5621:547:0321:54
7:03
#8202
10K
6.21 mi10:52:0844:067:0622:12
7:09
#8618
15K
9.32 mi11:14:351:06:337:0822:27
7:14
#8832
20K
12.43 mi11:37:201:29:187:1122:45
7:19
#8849
Half
13.11 mi11:42:111:34:097:114:51
7:07
#8810
25K
15.53 mi12:00:361:52:347:1518:25
7:36
#9084
30K
18.64 mi12:24:522:16:507:2024:16
7:49
#9200
20M
20.00 mi12:35:142:27:127:2210:22
7:38
#9050
21M
21.00 mi12:43:262:35:247:248:12
8:12
#8993
35K
21.75 mi12:49:002:40:587:245:34
7:26
#8913
23M
23.00 mi12:58:262:50:247:259:26
7:32
#8723
24M
24.00 mi13:06:042:58:027:257:38
7:38
#8680
40K
24.85 mi13:12:313:04:297:256:27
7:33
#8565
25.2M
25.20 mi13:15:183:07:167:262:47
8:04
#8501
Finish
26.22 mi13:22:283:14:267:257:10
7:02
#8374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8202712471249327(Top 33%)7725(Top 48%)7725(Top 137%)
10K6.21 mi3.10 mi8618-4167369-2457369-2459028(Top 32%)7619(Top 47%)7619(Top 135%)
15K9.32 mi3.11 mi8832-2147488-1197488-1199327(Top 33%)7725(Top 48%)7725(Top 137%)
20K12.43 mi3.11 mi8849-177473+157473+159213(Top 32%)7570(Top 47%)7570(Top 134%)
Half13.11 mi0.68 mi8810+397446+277446+278327(Top 29%)7096(Top 44%)7096(Top 126%)
25K15.53 mi2.42 mi9084-2747572-1267572-12610708(Top 38%)8242(Top 51%)8242(Top 146%)
30K18.64 mi3.11 mi9200-1167579-77579-710010(Top 35%)7689(Top 48%)7689(Top 136%)
20M20.00 mi1.36 mi9050+1507467+1127467+1127882(Top 28%)6369(Top 40%)6369(Top 113%)
21M21.00 mi1.00 mi8993+577399+687399+688561(Top 30%)6569(Top 41%)6569(Top 116%)
35K21.75 mi0.75 mi8913+807331+687331+688184(Top 29%)6407(Top 40%)6407(Top 114%)
23M23.00 mi1.25 mi8723+1907179+1527179+1526820(Top 24%)5487(Top 34%)5487(Top 97%)
24M24.00 mi1.00 mi8680+437117+627117+628628(Top 30%)6448(Top 40%)6448(Top 114%)
40K24.85 mi0.85 mi8565+1157014+1037014+1037033(Top 25%)5451(Top 34%)5451(Top 97%)
25.2M25.20 mi0.35 mi8501+646958+566958+566311(Top 22%)4944(Top 31%)4944(Top 88%)
Finish26.22 mi1.02 mi8374+1276857+1016857+1015949(Top 21%)4707(Top 29%)4707(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9327

Males

7725

M18-39

7725

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9028

Males

7619

M18-39

7619

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9327

Males

7725

M18-39

7725

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9213

Males

7570

M18-39

7570

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8327

Males

7096

M18-39

7096

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10708

Males

8242

M18-39

8242

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10010

Males

7689

M18-39

7689

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7882

Males

6369

M18-39

6369

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8561

Males

6569

M18-39

6569

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8184

Males

6407

M18-39

6407

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6820

Males

5487

M18-39

5487

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8628

Males

6448

M18-39

6448

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7033

Males

5451

M18-39

5451

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6311

Males

4944

M18-39

4944

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5949

Males

4707

M18-39

4707

Passing Analysis

Category:
Athletes Passed
1756
Passed By
1928
Net Change
-172
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8202
5K → 10K73489-416#8202#8618
10K → 15K98312-214#8618#8832
15K → 20K171188-17#8832#8849
20K → Half5112+39#8849#8810
Half → 25K87361-274#8810#9084
25K → 30K193309-116#9084#9200
30K → 20M18131+150#9200#9050
20M → 21M12467+57#9050#8993
21M → 35K10626+80#8993#8913
35K → 23M22030+190#8913#8723
23M → 24M9350+43#8723#8680
24M → 40K14429+115#8680#8565
40K → 25.2M728+64#8565#8501
25.2M → Finish14316+127#8501#8374
TOTALS17561928-172
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing