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BOSTON MARATHON 2025

Matthew Glynn

Bib: 31342•M

0:00
0:00
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
23:55
Rank: #13950
Start → 5K
23:55 | 7:42/mi
10K· 6.21 mi
48:38
Rank: #15013 (-1063)
5K → 10K
24:43 | 7:57/mi
15K· 9.32 mi
1:14:07
Rank: #15930 (-917)
10K → 15K
25:29 | 8:12/mi
20K· 12.43 mi
1:39:48
Rank: #16173 (-243)
15K → 20K
25:41 | 8:16/mi
Half· 13.11 mi
1:45:21
Rank: #16199 (-26)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:05:15
Rank: #16042 (+157)
Half → 25K
19:54 | 8:12/mi
30K· 18.64 mi
2:31:18
Rank: #15632 (+410)
25K → 30K
26:03 | 8:23/mi
20M
2:43:32
Rank: #15672 (-40)
30K → 20M
12:14 | 9:00/mi
21M
2:53:30
Rank: #15828 (-156)
20M → 21M
9:58 | 9:58/mi
35K· 21.75 mi
3:01:56
Rank: #16388 (-560)
21M → 35K
8:26 | 11:16/mi
23M
3:14:46
Rank: #16803 (-415)
35K → 23M
12:50 | 10:15/mi
24M
3:24:44
Rank: #17103 (-300)
23M → 24M
9:58 | 9:58/mi
40K· 24.85 mi
3:33:24
Rank: #17309 (-206)
24M → 40K
8:40 | 10:08/mi
25.2M
3:36:57
Rank: #17336 (-27)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:46:29
Rank: #17484 (-148)
25.2M → Finish
9:32 | 9:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:21
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:01:08
Pace9:14 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0823:557:4223:55
7:42
-
10K
6.21 mi10:53:5148:387:5024:43
7:57
+0:15
15K
9.32 mi11:19:201:14:077:5725:29
8:12
+0:15
20K
12.43 mi11:45:011:39:488:0225:41
8:16
+0:04
Half
13.11 mi11:50:341:45:218:025:33
8:08
-0:08
25K
15.53 mi12:10:282:05:158:0419:54
8:12
+0:04
30K
18.64 mi12:36:312:31:188:0726:03
8:23
+0:11
20M
20.00 mi12:48:452:43:328:1112:14
9:00
+0:37
21M
21.00 mi12:58:432:53:308:169:58
9:58
+0:58
35K
21.75 mi13:07:093:01:568:228:26
11:16
+1:18
23M
23.00 mi13:19:593:14:468:2812:50
10:15
-1:01
24M
24.00 mi13:29:573:24:448:329:58
9:58
-0:17
40K
24.85 mi13:38:373:33:248:358:40
10:08
+0:10
25.2M
25.20 mi13:42:103:36:578:373:33
10:18
+0:10
Finish
26.22 mi13:51:423:46:298:399:32
9:21
-0:57

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

7:42 /mi

Average Pace

8:39 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:18

67% of race

Time at Steady Pace

21:46

10% of race

Time at Slower Pace

53:25

24% of race

Average Pace: 8:38 /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 mi10:29:0823:557:4223:55
7:42
#13950
10K
6.21 mi10:53:5148:387:5024:43
7:57
#15013
15K
9.32 mi11:19:201:14:077:5725:29
8:12
#15930
20K
12.43 mi11:45:011:39:488:0225:41
8:16
#16173
Half
13.11 mi11:50:341:45:218:025:33
8:08
#16199
25K
15.53 mi12:10:282:05:158:0419:54
8:12
#16042
30K
18.64 mi12:36:312:31:188:0726:03
8:23
#15632
20M
20.00 mi12:48:452:43:328:1112:14
9:00
#15672
21M
21.00 mi12:58:432:53:308:169:58
9:58
#15828
35K
21.75 mi13:07:093:01:568:228:26
11:16
#16388
23M
23.00 mi13:19:593:14:468:2812:50
10:15
#16803
24M
24.00 mi13:29:573:24:448:329:58
9:58
#17103
40K
24.85 mi13:38:373:33:248:358:40
10:08
#17309
25.2M
25.20 mi13:42:103:36:578:373:33
10:18
#17336
Finish
26.22 mi13:51:423:46:298:399:32
9:21
#17484
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi13950100341003417397(Top 61%)11392(Top 71%)11392(Top 202%)
10K6.21 mi3.10 mi15013-106310414-38010414-38016108(Top 57%)10880(Top 68%)10880(Top 193%)
15K9.32 mi3.11 mi15930-91710782-36810782-36817397(Top 61%)11392(Top 71%)11392(Top 202%)
20K12.43 mi3.11 mi16173-24310870-8810870-8816732(Top 59%)11062(Top 69%)11062(Top 196%)
Half13.11 mi0.68 mi16199-2610878-810878-816819(Top 59%)11114(Top 69%)11114(Top 197%)
25K15.53 mi2.42 mi16042+15710809+6910809+6915366(Top 54%)10394(Top 65%)10394(Top 184%)
30K18.64 mi3.11 mi15632+41010578+23110578+23114046(Top 49%)9615(Top 60%)9615(Top 170%)
20M20.00 mi1.36 mi15672-4010547+3110547+3116792(Top 59%)10724(Top 67%)10724(Top 190%)
21M21.00 mi1.00 mi15828-15610578-3110578-3118154(Top 64%)11228(Top 70%)11228(Top 199%)
35K21.75 mi0.75 mi16388-56010808-23010808-23024717(Top 87%)14217(Top 88%)14217(Top 252%)
23M23.00 mi1.25 mi16803-41510944-13610944-13621260(Top 75%)12519(Top 78%)12519(Top 222%)
24M24.00 mi1.00 mi17103-30011042-9811042-9821242(Top 75%)12458(Top 77%)12458(Top 221%)
40K24.85 mi0.85 mi17309-20611100-5811100-5820880(Top 74%)12223(Top 76%)12223(Top 217%)
25.2M25.20 mi0.35 mi17336-2711103-311103-318231(Top 64%)10924(Top 68%)10924(Top 194%)
Finish26.22 mi1.02 mi17484-14811131-2811131-2820594(Top 73%)12095(Top 75%)12095(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17397

Males

11392

M18-39

11392

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16108

Males

10880

M18-39

10880

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17397

Males

11392

M18-39

11392

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16732

Males

11062

M18-39

11062

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16819

Males

11114

M18-39

11114

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15366

Males

10394

M18-39

10394

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

14046

Males

9615

M18-39

9615

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16792

Males

10724

M18-39

10724

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18154

Males

11228

M18-39

11228

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24717

Males

14217

M18-39

14217

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21260

Males

12519

M18-39

12519

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21242

Males

12458

M18-39

12458

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20880

Males

12223

M18-39

12223

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18231

Males

10924

M18-39

10924

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20594

Males

12095

M18-39

12095

Passing Analysis

Category:
Athletes Passed
1303
Passed By
4837
Net Change
-3534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13950
5K → 10K631126-1063#13950#15013
10K → 15K44961-917#15013#15930
15K → 20K142385-243#15930#16173
20K → Half1743-26#16173#16199
Half → 25K23578+157#16199#16042
25K → 30K47060+410#16042#15632
30K → 20M114154-40#15632#15672
20M → 21M67223-156#15672#15828
21M → 35K8568-560#15828#16388
35K → 23M34449-415#16388#16803
23M → 24M27327-300#16803#17103
24M → 40K28234-206#17103#17309
40K → 25.2M2350-27#17309#17336
25.2M → Finish31179-148#17336#17484
TOTALS13034837-3534
📊

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