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BOSTON MARATHON 2025

Ryan Arrowsmith

Bib: 5012•M

SC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
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
20:59
Rank: #5942
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:57
Rank: #5839 (+103)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:56
Rank: #5723 (+116)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:23:48
Rank: #5413 (+310)
15K → 20K
20:52 | 6:43/mi
Half· 13.11 mi
1:28:21
Rank: #5372 (+41)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:41
Rank: #5144 (+228)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
2:06:22
Rank: #4992 (+152)
25K → 30K
21:41 | 6:59/mi
20M
2:16:30
Rank: #5139 (-147)
30K → 20M
10:08 | 7:27/mi
21M
2:24:22
Rank: #5232 (-93)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:29:52
Rank: #5314 (-82)
21M → 35K
5:30 | 7:21/mi
23M
2:39:12
Rank: #5333 (-19)
35K → 23M
9:20 | 7:27/mi
24M
2:46:38
Rank: #5367 (-34)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:53:08
Rank: #5388 (-21)
24M → 40K
6:30 | 7:36/mi
25.2M
2:55:59
Rank: #5380 (+8)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:03:18
Rank: #5374 (+6)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:21
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:34:57
Pace7:15 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2020:596:4520:59
6:45
-
10K
6.21 mi10:46:1841:576:4520:58
6:45
0:00
15K
9.32 mi11:07:171:02:566:4520:59
6:45
0:00
20K
12.43 mi11:28:091:23:486:4520:52
6:43
-0:02
Half
13.11 mi11:32:421:28:216:444:33
6:40
-0:03
25K
15.53 mi11:49:021:44:416:4416:20
6:44
+0:04
30K
18.64 mi12:10:432:06:226:4721:41
6:59
+0:15
20M
20.00 mi12:20:512:16:306:4910:08
7:27
+0:28
21M
21.00 mi12:28:432:24:226:527:52
7:52
+0:25
35K
21.75 mi12:34:132:29:526:535:30
7:21
-0:31
23M
23.00 mi12:43:332:39:126:559:20
7:27
+0:06
24M
24.00 mi12:50:592:46:386:577:26
7:26
-0:01
40K
24.85 mi12:57:292:53:086:586:30
7:36
+0:10
25.2M
25.20 mi13:00:202:55:596:592:51
8:16
+0:40
Finish
26.22 mi13:07:393:03:187:007:19
7:11
-1:05

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

6:40 /mi

Average Pace

7:00 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:41

57% of race

Time at Steady Pace

34:30

19% of race

Time at Slower Pace

44:07

24% of race

Average Pace: 6:59 /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 mi10:25:2020:596:4520:59
6:45
#5942
10K
6.21 mi10:46:1841:576:4520:58
6:45
#5839
15K
9.32 mi11:07:171:02:566:4520:59
6:45
#5723
20K
12.43 mi11:28:091:23:486:4520:52
6:43
#5413
Half
13.11 mi11:32:421:28:216:444:33
6:40
#5372
25K
15.53 mi11:49:021:44:416:4416:20
6:44
#5144
30K
18.64 mi12:10:432:06:226:4721:41
6:59
#4992
20M
20.00 mi12:20:512:16:306:4910:08
7:27
#5139
21M
21.00 mi12:28:432:24:226:527:52
7:52
#5232
35K
21.75 mi12:34:132:29:526:535:30
7:21
#5314
23M
23.00 mi12:43:332:39:126:559:20
7:27
#5333
24M
24.00 mi12:50:592:46:386:577:26
7:26
#5367
40K
24.85 mi12:57:292:53:086:586:30
7:36
#5388
25.2M
25.20 mi13:00:202:55:596:592:51
8:16
#5380
Finish
26.22 mi13:07:393:03:187:007:19
7:11
#5374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5942546854685633(Top 20%)5150(Top 32%)5150(Top 91%)
10K6.21 mi3.10 mi5839+1035377+915377+915830(Top 21%)5338(Top 33%)5338(Top 95%)
15K9.32 mi3.11 mi5723+1165269+1085269+1085633(Top 20%)5150(Top 32%)5150(Top 91%)
20K12.43 mi3.11 mi5413+3105002+2675002+2674590(Top 16%)4268(Top 27%)4268(Top 76%)
Half13.11 mi0.68 mi5372+414969+334969+335049(Top 18%)4678(Top 29%)4678(Top 83%)
25K15.53 mi2.42 mi5144+2284768+2014768+2014399(Top 15%)4077(Top 25%)4077(Top 72%)
30K18.64 mi3.11 mi4992+1524607+1614607+1614582(Top 16%)4183(Top 26%)4183(Top 74%)
20M20.00 mi1.36 mi5139-1474723-1164723-1166720(Top 24%)5661(Top 35%)5661(Top 100%)
21M21.00 mi1.00 mi5232-934793-704793-706566(Top 23%)5415(Top 34%)5415(Top 96%)
35K21.75 mi0.75 mi5314-824859-664859-667521(Top 26%)5998(Top 37%)5998(Top 106%)
23M23.00 mi1.25 mi5333-194862-34862-36367(Top 22%)5198(Top 32%)5198(Top 92%)
24M24.00 mi1.00 mi5367-344881-194881-197223(Top 25%)5656(Top 35%)5656(Top 100%)
40K24.85 mi0.85 mi5388-214883-24883-27406(Top 26%)5664(Top 35%)5664(Top 100%)
25.2M25.20 mi0.35 mi5380+84865+184865+187385(Top 26%)5550(Top 34%)5550(Top 98%)
Finish26.22 mi1.02 mi5374+64848+174848+176907(Top 24%)5273(Top 33%)5273(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5633

Males

5150

M18-39

5150

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5830

Males

5338

M18-39

5338

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5633

Males

5150

M18-39

5150

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4590

Males

4268

M18-39

4268

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5049

Males

4678

M18-39

4678

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4399

Males

4077

M18-39

4077

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4582

Males

4183

M18-39

4183

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6720

Males

5661

M18-39

5661

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6566

Males

5415

M18-39

5415

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7521

Males

5998

M18-39

5998

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6367

Males

5198

M18-39

5198

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7223

Males

5656

M18-39

5656

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7406

Males

5664

M18-39

5664

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7385

Males

5550

M18-39

5550

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6907

Males

5273

M18-39

5273

Passing Analysis

Category:
Athletes Passed
1618
Passed By
1050
Net Change
+568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5942
5K → 10K228125+103#5942#5839
10K → 15K17963+116#5839#5723
15K → 20K32717+310#5723#5413
20K → Half5110+41#5413#5372
Half → 25K24517+228#5372#5144
25K → 30K23381+152#5144#4992
30K → 20M36183-147#4992#5139
20M → 21M63156-93#5139#5232
21M → 35K25107-82#5232#5314
35K → 23M7594-19#5314#5333
23M → 24M3872-34#5333#5367
24M → 40K4263-21#5367#5388
40K → 25.2M2820+8#5388#5380
25.2M → Finish4842+6#5380#5374
TOTALS16181050+568
📊

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