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BOSTON MARATHON 2025

Ryan Irwin

Bib: 1216•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M40-44)
#0 / 2247
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:15
Rank: #741
Start → 5K
18:15 | 5:52/mi
10K· 6.21 mi
36:19
Rank: #679 (+62)
5K → 10K
18:04 | 5:49/mi
15K· 9.32 mi
54:32
Rank: #665 (+14)
10K → 15K
18:13 | 5:52/mi
20K· 12.43 mi
1:12:47
Rank: #628 (+37)
15K → 20K
18:15 | 5:52/mi
Half· 13.11 mi
1:16:43
Rank: #620 (+8)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:31:03
Rank: #602 (+18)
Half → 25K
14:20 | 5:55/mi
30K· 18.64 mi
1:50:54
Rank: #715 (-113)
25K → 30K
19:51 | 6:23/mi
20M
1:59:50
Rank: #754 (-39)
30K → 20M
8:56 | 6:34/mi
21M
2:07:18
Rank: #838 (-84)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:12:13
Rank: #861 (-23)
21M → 35K
4:55 | 6:34/mi
23M
2:21:17
Rank: #982 (-121)
35K → 23M
9:04 | 7:14/mi
24M
2:28:28
Rank: #1108 (-126)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
2:34:58
Rank: #1231 (-123)
24M → 40K
6:30 | 7:36/mi
25.2M
2:37:50
Rank: #1292 (-61)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
2:44:55
Rank: #1378 (-86)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:43
Pace5:51 /mi
2nd Half
Distance13.11 mi
Time1:28:12
Pace6:44 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4818:155:5218:15
5:52
-
10K
6.21 mi10:36:5236:195:5118:04
5:49
-0:03
15K
9.32 mi10:55:0554:325:5118:13
5:52
+0:03
20K
12.43 mi11:13:201:12:475:5118:15
5:52
0:00
Half
13.11 mi11:17:161:16:435:513:56
5:46
-0:06
25K
15.53 mi11:31:361:31:035:5214:20
5:55
+0:09
30K
18.64 mi11:51:271:50:545:5719:51
6:23
+0:28
20M
20.00 mi12:00:231:59:505:598:56
6:34
+0:11
21M
21.00 mi12:07:512:07:186:047:28
7:28
+0:54
35K
21.75 mi12:12:462:12:136:054:55
6:34
-0:54
23M
23.00 mi12:21:502:21:176:099:04
7:14
+0:40
24M
24.00 mi12:29:012:28:286:117:11
7:11
-0:03
40K
24.85 mi12:35:312:34:586:146:30
7:36
+0:25
25.2M
25.20 mi12:38:232:37:506:162:52
8:19
+0:43
Finish
26.22 mi12:45:282:44:556:187:05
6:57
-1:22

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

5:46 /mi

Average Pace

6:18 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:03

55% of race

Time at Steady Pace

40:47

25% of race

Time at Slower Pace

33:05

20% of race

Average Pace: 6:17 /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 mi10:18:4818:155:5218:15
5:52
#741
10K
6.21 mi10:36:5236:195:5118:04
5:49
#679
15K
9.32 mi10:55:0554:325:5118:13
5:52
#665
20K
12.43 mi11:13:201:12:475:5118:15
5:52
#628
Half
13.11 mi11:17:161:16:435:513:56
5:46
#620
25K
15.53 mi11:31:361:31:035:5214:20
5:55
#602
30K
18.64 mi11:51:271:50:545:5719:51
6:23
#715
20M
20.00 mi12:00:231:59:505:598:56
6:34
#754
21M
21.00 mi12:07:512:07:186:047:28
7:28
#838
35K
21.75 mi12:12:462:12:136:054:55
6:34
#861
23M
23.00 mi12:21:502:21:176:099:04
7:14
#982
24M
24.00 mi12:29:012:28:286:117:11
7:11
#1108
40K
24.85 mi12:35:312:34:586:146:30
7:36
#1231
25.2M
25.20 mi12:38:232:37:506:162:52
8:19
#1292
Finish
26.22 mi12:45:282:44:556:187:05
6:57
#1378
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi741690690672(Top 2%)626(Top 4%)626(Top 28%)
10K6.21 mi3.10 mi679+62633+57633+57643(Top 2%)599(Top 4%)599(Top 27%)
15K9.32 mi3.11 mi665+14617+16617+16672(Top 2%)626(Top 4%)626(Top 28%)
20K12.43 mi3.11 mi628+37581+36581+36565(Top 2%)522(Top 3%)522(Top 23%)
Half13.11 mi0.68 mi620+8574+7574+7534(Top 2%)502(Top 3%)502(Top 22%)
25K15.53 mi2.42 mi602+18557+17557+17599(Top 2%)553(Top 3%)553(Top 25%)
30K18.64 mi3.11 mi715-113668-111668-1111504(Top 5%)1423(Top 9%)1423(Top 63%)
20M20.00 mi1.36 mi754-39706-38706-381896(Top 7%)1793(Top 11%)1793(Top 80%)
21M21.00 mi1.00 mi838-84787-81787-814404(Top 16%)3922(Top 24%)3922(Top 175%)
35K21.75 mi0.75 mi861-23808-21808-212783(Top 10%)2565(Top 16%)2565(Top 114%)
23M23.00 mi1.25 mi982-121924-116924-1165087(Top 18%)4371(Top 27%)4371(Top 195%)
24M24.00 mi1.00 mi1108-1261043-1191043-1195663(Top 20%)4688(Top 29%)4688(Top 209%)
40K24.85 mi0.85 mi1231-1231157-1141157-1147372(Top 26%)5630(Top 35%)5630(Top 251%)
25.2M25.20 mi0.35 mi1292-611216-591216-597584(Top 27%)5643(Top 35%)5643(Top 251%)
Finish26.22 mi1.02 mi1378-861299-831299-835371(Top 19%)4339(Top 27%)4339(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

672

Males

626

M40-44

626

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

643

Males

599

M40-44

599

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

672

Males

626

M40-44

626

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

565

Males

522

M40-44

522

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

534

Males

502

M40-44

502

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

599

Males

553

M40-44

553

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1504

Males

1423

M40-44

1423

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1896

Males

1793

M40-44

1793

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4404

Males

3922

M40-44

3922

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2783

Males

2565

M40-44

2565

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5087

Males

4371

M40-44

4371

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5663

Males

4688

M40-44

4688

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7372

Males

5630

M40-44

5630

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7584

Males

5643

M40-44

5643

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5371

Males

4339

M40-44

4339

Passing Analysis

Category:
Athletes Passed
224
Passed By
861
Net Change
-637
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#741
5K → 10K7210+62#741#679
10K → 15K3117+14#679#665
15K → 20K469+37#665#628
20K → Half102+8#628#620
Half → 25K246+18#620#602
25K → 30K11124-113#602#715
30K → 20M746-39#715#754
20M → 21M286-84#754#838
21M → 35K1033-23#838#861
35K → 23M2123-121#861#982
23M → 24M2128-126#982#1108
24M → 40K1124-123#1108#1231
40K → 25.2M263-61#1231#1292
25.2M → Finish490-86#1292#1378
TOTALS224861-637
📊

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