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BOSTON MARATHON 2025

Jon Salois

Bib: 6853•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
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
21:10
Rank: #6401
Start → 5K
21:10 | 6:49/mi
10K· 6.21 mi
42:14
Rank: #6256 (+145)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:03:19
Rank: #6116 (+140)
10K → 15K
21:05 | 6:47/mi
20K· 12.43 mi
1:24:26
Rank: #5890 (+226)
15K → 20K
21:07 | 6:48/mi
Half· 13.11 mi
1:29:02
Rank: #5877 (+13)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:28
Rank: #5620 (+257)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:07:06
Rank: #5317 (+303)
25K → 30K
21:38 | 6:58/mi
20M
2:16:42
Rank: #5222 (+95)
30K → 20M
9:36 | 7:04/mi
21M
2:24:13
Rank: #5174 (+48)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:29:23
Rank: #5148 (+26)
21M → 35K
5:10 | 6:54/mi
23M
2:38:36
Rank: #5163 (-15)
35K → 23M
9:13 | 7:22/mi
24M
2:45:54
Rank: #5188 (-25)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:52:26
Rank: #5225 (-37)
24M → 40K
6:32 | 7:38/mi
25.2M
2:55:19
Rank: #5238 (-13)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:02:39
Rank: #5242 (-4)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:02
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:33:37
Pace7:08 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1921:106:4921:10
6:49
-
10K
6.21 mi10:50:2342:146:4821:04
6:47
-0:02
15K
9.32 mi11:11:281:03:196:4821:05
6:47
0:00
20K
12.43 mi11:32:351:24:266:4821:07
6:48
+0:01
Half
13.11 mi11:37:111:29:026:474:36
6:45
-0:03
25K
15.53 mi11:53:371:45:286:4716:26
6:47
+0:02
30K
18.64 mi12:15:152:07:066:4921:38
6:58
+0:11
20M
20.00 mi12:24:512:16:426:509:36
7:04
+0:06
21M
21.00 mi12:32:222:24:136:527:31
7:31
+0:27
35K
21.75 mi12:37:322:29:236:525:10
6:54
-0:37
23M
23.00 mi12:46:452:38:366:549:13
7:22
+0:28
24M
24.00 mi12:54:032:45:546:557:18
7:18
-0:04
40K
24.85 mi13:00:352:52:266:566:32
7:38
+0:20
25.2M
25.20 mi13:03:282:55:196:572:53
8:22
+0:44
Finish
26.22 mi13:10:483:02:396:587:20
7:12
-1:10

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

6:45 /mi

Average Pace

6:58 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:21:52

78% of race

Time at Slower Pace

40:47

22% of race

Average Pace: 6:58 /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 mi10:29:1921:106:4921:10
6:49
#6401
10K
6.21 mi10:50:2342:146:4821:04
6:47
#6256
15K
9.32 mi11:11:281:03:196:4821:05
6:47
#6116
20K
12.43 mi11:32:351:24:266:4821:07
6:48
#5890
Half
13.11 mi11:37:111:29:026:474:36
6:45
#5877
25K
15.53 mi11:53:371:45:286:4716:26
6:47
#5620
30K
18.64 mi12:15:152:07:066:4921:38
6:58
#5317
20M
20.00 mi12:24:512:16:426:509:36
7:04
#5222
21M
21.00 mi12:32:222:24:136:527:31
7:31
#5174
35K
21.75 mi12:37:322:29:236:525:10
6:54
#5148
23M
23.00 mi12:46:452:38:366:549:13
7:22
#5163
24M
24.00 mi12:54:032:45:546:557:18
7:18
#5188
40K
24.85 mi13:00:352:52:266:566:32
7:38
#5225
25.2M
25.20 mi13:03:282:55:196:572:53
8:22
#5238
Finish
26.22 mi13:10:483:02:396:587:20
7:12
#5242
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6401583558355938(Top 21%)5404(Top 34%)5404(Top 96%)
10K6.21 mi3.10 mi6256+1455727+1085727+1086159(Top 22%)5611(Top 35%)5611(Top 99%)
15K9.32 mi3.11 mi6116+1405599+1285599+1285938(Top 21%)5404(Top 34%)5404(Top 96%)
20K12.43 mi3.11 mi5890+2265398+2015398+2015257(Top 19%)4832(Top 30%)4832(Top 86%)
Half13.11 mi0.68 mi5877+135385+135385+135587(Top 20%)5107(Top 32%)5107(Top 91%)
25K15.53 mi2.42 mi5620+2575160+2255160+2254699(Top 17%)4328(Top 27%)4328(Top 77%)
30K18.64 mi3.11 mi5317+3034884+2764884+2764476(Top 16%)4094(Top 25%)4094(Top 73%)
20M20.00 mi1.36 mi5222+954789+954789+954475(Top 16%)4073(Top 25%)4073(Top 72%)
21M21.00 mi1.00 mi5174+484747+424747+424680(Top 16%)4137(Top 26%)4137(Top 73%)
35K21.75 mi0.75 mi5148+264720+274720+274748(Top 17%)4191(Top 26%)4191(Top 74%)
23M23.00 mi1.25 mi5163-154721-14721-15794(Top 20%)4842(Top 30%)4842(Top 86%)
24M24.00 mi1.00 mi5188-254727-64727-66384(Top 22%)5139(Top 32%)5139(Top 91%)
40K24.85 mi0.85 mi5225-374751-244751-247647(Top 27%)5785(Top 36%)5785(Top 103%)
25.2M25.20 mi0.35 mi5238-134754-34754-37868(Top 28%)5809(Top 36%)5809(Top 103%)
Finish26.22 mi1.02 mi5242-44747+74747+76991(Top 25%)5321(Top 33%)5321(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5938

Males

5404

M18-39

5404

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6159

Males

5611

M18-39

5611

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5938

Males

5404

M18-39

5404

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5257

Males

4832

M18-39

4832

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5587

Males

5107

M18-39

5107

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4699

Males

4328

M18-39

4328

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4476

Males

4094

M18-39

4094

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4475

Males

4073

M18-39

4073

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4680

Males

4137

M18-39

4137

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4748

Males

4191

M18-39

4191

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5794

Males

4842

M18-39

4842

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6384

Males

5139

M18-39

5139

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7647

Males

5785

M18-39

5785

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7868

Males

5809

M18-39

5809

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6991

Males

5321

M18-39

5321

Passing Analysis

Category:
Athletes Passed
1888
Passed By
729
Net Change
+1159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6401
5K → 10K265120+145#6401#6256
10K → 15K21373+140#6256#6116
15K → 20K26337+226#6116#5890
20K → Half3118+13#5890#5877
Half → 25K2658+257#5877#5620
25K → 30K34138+303#5620#5317
30K → 20M12227+95#5317#5222
20M → 21M10759+48#5222#5174
21M → 35K5630+26#5174#5148
35K → 23M87102-15#5148#5163
23M → 24M4671-25#5163#5188
24M → 40K3673-37#5188#5225
40K → 25.2M1427-13#5225#5238
25.2M → Finish4246-4#5238#5242
TOTALS1888729+1159
📊

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