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BOSTON MARATHON 2025

Joshua Olson

Bib: 4078•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Masters (Masters Men)
#0 / 10463
Top 11%
Division (M45-49)
#0 / 2386
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:34
Rank: #4774
Start → 5K
20:34 | 6:37/mi
10K· 6.21 mi
41:07
Rank: #4636 (+138)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:32
Rank: #4418 (+218)
10K → 15K
20:25 | 6:34/mi
20K· 12.43 mi
1:22:18
Rank: #4352 (+66)
15K → 20K
20:46 | 6:41/mi
Half· 13.11 mi
1:26:47
Rank: #4333 (+19)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:16
Rank: #4352 (-19)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:05:04
Rank: #4386 (-34)
25K → 30K
21:48 | 7:01/mi
20M
2:14:39
Rank: #4359 (+27)
30K → 20M
9:35 | 7:03/mi
21M
2:22:14
Rank: #4395 (-36)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:27:26
Rank: #4399 (-4)
21M → 35K
5:12 | 6:57/mi
23M
2:36:20
Rank: #4365 (+34)
35K → 23M
8:54 | 7:06/mi
24M
2:43:22
Rank: #4367 (-2)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:49:23
Rank: #4337 (+30)
24M → 40K
6:01 | 7:02/mi
25.2M
2:52:01
Rank: #4321 (+16)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:58:49
Rank: #4288 (+33)
25.2M → Finish
6:48 | 6:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:47
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:32:02
Pace7:01 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1820:346:3720:34
6:37
-
10K
6.21 mi10:43:5141:076:3720:33
6:37
0:00
15K
9.32 mi11:04:161:01:326:3620:25
6:34
-0:03
20K
12.43 mi11:25:021:22:186:3720:46
6:41
+0:07
Half
13.11 mi11:29:311:26:476:374:29
6:34
-0:07
25K
15.53 mi11:46:001:43:166:3916:29
6:48
+0:14
30K
18.64 mi12:07:482:05:046:4321:48
7:01
+0:13
20M
20.00 mi12:17:232:14:396:449:35
7:03
+0:02
21M
21.00 mi12:24:582:22:146:467:35
7:35
+0:32
35K
21.75 mi12:30:102:27:266:475:12
6:57
-0:38
23M
23.00 mi12:39:042:36:206:488:54
7:06
+0:09
24M
24.00 mi12:46:062:43:226:487:02
7:02
-0:04
40K
24.85 mi12:52:072:49:236:496:01
7:02
0:00
25.2M
25.20 mi12:54:452:52:016:502:38
7:38
+0:36
Finish
26.22 mi13:01:332:58:496:506:48
6:40
-0:58

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

6:34 /mi

Average Pace

6:50 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:36

94% of race

Time at Steady Pace

10:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:23:1820:346:3720:34
6:37
#4774
10K
6.21 mi10:43:5141:076:3720:33
6:37
#4636
15K
9.32 mi11:04:161:01:326:3620:25
6:34
#4418
20K
12.43 mi11:25:021:22:186:3720:46
6:41
#4352
Half
13.11 mi11:29:311:26:476:374:29
6:34
#4333
25K
15.53 mi11:46:001:43:166:3916:29
6:48
#4352
30K
18.64 mi12:07:482:05:046:4321:48
7:01
#4386
20M
20.00 mi12:17:232:14:396:449:35
7:03
#4359
21M
21.00 mi12:24:582:22:146:467:35
7:35
#4395
35K
21.75 mi12:30:102:27:266:475:12
6:57
#4399
23M
23.00 mi12:39:042:36:206:488:54
7:06
#4365
24M
24.00 mi12:46:062:43:226:487:02
7:02
#4367
40K
24.85 mi12:52:072:49:236:496:01
7:02
#4337
25.2M
25.20 mi12:54:452:52:016:502:38
7:38
#4321
Finish
26.22 mi13:01:332:58:496:506:48
6:40
#4288
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4774447544754041(Top 14%)3806(Top 24%)3806(Top 160%)
10K6.21 mi3.10 mi4636+1384348+1274348+1274591(Top 16%)4301(Top 27%)4301(Top 180%)
15K9.32 mi3.11 mi4418+2184154+1944154+1944041(Top 14%)3806(Top 24%)3806(Top 160%)
20K12.43 mi3.11 mi4352+664089+654089+654302(Top 15%)4025(Top 25%)4025(Top 169%)
Half13.11 mi0.68 mi4333+194066+234066+234208(Top 15%)3947(Top 25%)3947(Top 165%)
25K15.53 mi2.42 mi4352-194081-154081-154861(Top 17%)4469(Top 28%)4469(Top 187%)
30K18.64 mi3.11 mi4386-344100-194100-194796(Top 17%)4371(Top 27%)4371(Top 183%)
20M20.00 mi1.36 mi4359+274068+324068+324416(Top 16%)4022(Top 25%)4022(Top 169%)
21M21.00 mi1.00 mi4395-364082-144082-145037(Top 18%)4404(Top 27%)4404(Top 185%)
35K21.75 mi0.75 mi4399-44081+14081+15057(Top 18%)4424(Top 27%)4424(Top 185%)
23M23.00 mi1.25 mi4365+344042+394042+394387(Top 15%)3875(Top 24%)3875(Top 162%)
24M24.00 mi1.00 mi4367-24034+84034+84825(Top 17%)4139(Top 26%)4139(Top 173%)
40K24.85 mi0.85 mi4337+303998+363998+364135(Top 15%)3593(Top 22%)3593(Top 151%)
25.2M25.20 mi0.35 mi4321+163982+163982+164060(Top 14%)3476(Top 22%)3476(Top 146%)
Finish26.22 mi1.02 mi4288+333945+373945+373742(Top 13%)3247(Top 20%)3247(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4041

Males

3806

M45-49

3806

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4591

Males

4301

M45-49

4301

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4041

Males

3806

M45-49

3806

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4302

Males

4025

M45-49

4025

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4208

Males

3947

M45-49

3947

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4861

Males

4469

M45-49

4469

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4796

Males

4371

M45-49

4371

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4416

Males

4022

M45-49

4022

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5037

Males

4404

M45-49

4404

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5057

Males

4424

M45-49

4424

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4387

Males

3875

M45-49

3875

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4825

Males

4139

M45-49

4139

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4135

Males

3593

M45-49

3593

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4060

Males

3476

M45-49

3476

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3742

Males

3247

M45-49

3247

Passing Analysis

Category:
Athletes Passed
1346
Passed By
860
Net Change
+486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4774
5K → 10K243105+138#4774#4636
10K → 15K24022+218#4636#4418
15K → 20K13165+66#4418#4352
20K → Half3112+19#4352#4333
Half → 25K88107-19#4333#4352
25K → 30K140174-34#4352#4386
30K → 20M8356+27#4386#4359
20M → 21M5894-36#4359#4395
21M → 35K4347-4#4395#4399
35K → 23M8147+34#4399#4365
23M → 24M5557-2#4365#4367
24M → 40K6232+30#4367#4337
40K → 25.2M3014+16#4337#4321
25.2M → Finish6128+33#4321#4288
TOTALS1346860+486
📊

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