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BOSTON MARATHON 2025

Jason Ream

Bib: 1681•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M40-44)
#0 / 2247
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:36
Rank: #10070
Start → 5K
22:36 | 7:16/mi
10K· 6.21 mi
44:35
Rank: #9230 (+840)
5K → 10K
21:59 | 7:05/mi
15K· 9.32 mi
1:07:43
Rank: #9897 (-667)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:29:34
Rank: #9046 (+851)
15K → 20K
21:51 | 7:02/mi
Half· 13.11 mi
1:34:30
Rank: #9060 (-14)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:52:03
Rank: #8783 (+277)
Half → 25K
17:33 | 7:14/mi
30K· 18.64 mi
2:14:25
Rank: #8108 (+675)
25K → 30K
22:22 | 7:12/mi
20M
2:24:22
Rank: #7886 (+222)
30K → 20M
9:57 | 7:19/mi
21M
2:32:13
Rank: #7735 (+151)
20M → 21M
7:51 | 7:51/mi
35K· 21.75 mi
2:37:19
Rank: #7567 (+168)
21M → 35K
5:06 | 6:49/mi
23M
2:46:02
Rank: #7225 (+342)
35K → 23M
8:43 | 6:58/mi
24M
2:52:52
Rank: #7025 (+200)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:58:43
Rank: #6815 (+210)
24M → 40K
5:51 | 6:51/mi
25.2M
3:01:12
Rank: #6677 (+138)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
3:07:18
Rank: #6299 (+378)
25.2M → Finish
6:06 | 5:59/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:30
Pace7:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:48
Pace7:05 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0122:367:1622:36
7:16
-
10K
6.21 mi10:45:0044:357:1021:59
7:05
-0:11
15K
9.32 mi11:08:081:07:437:1623:08
7:27
+0:22
20K
12.43 mi11:29:591:29:347:1221:51
7:02
-0:25
Half
13.11 mi11:34:551:34:307:134:56
7:14
+0:12
25K
15.53 mi11:52:281:52:037:1317:33
7:14
0:00
30K
18.64 mi12:14:502:14:257:1322:22
7:12
-0:02
20M
20.00 mi12:24:472:24:227:139:57
7:19
+0:07
21M
21.00 mi12:32:382:32:137:157:51
7:51
+0:32
35K
21.75 mi12:37:442:37:197:145:06
6:49
-1:02
23M
23.00 mi12:46:272:46:027:138:43
6:58
+0:09
24M
24.00 mi12:53:172:52:527:126:50
6:50
-0:08
40K
24.85 mi12:59:082:58:437:115:51
6:51
+0:01
25.2M
25.20 mi13:01:373:01:127:112:29
7:12
+0:21
Finish
26.22 mi13:07:433:07:187:096:06
5:59
-1:13

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

5:59 /mi

Average Pace

7:09 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:36

17% of race

Time at Steady Pace

2:03:43

66% of race

Time at Slower Pace

30:59

17% of race

Average Pace: 7:09 /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 mi10:23:0122:367:1622:36
7:16
#10070
10K
6.21 mi10:45:0044:357:1021:59
7:05
#9230
15K
9.32 mi11:08:081:07:437:1623:08
7:27
#9897
20K
12.43 mi11:29:591:29:347:1221:51
7:02
#9046
Half
13.11 mi11:34:551:34:307:134:56
7:14
#9060
25K
15.53 mi11:52:281:52:037:1317:33
7:14
#8783
30K
18.64 mi12:14:502:14:257:1322:22
7:12
#8108
20M
20.00 mi12:24:472:24:227:139:57
7:19
#7886
21M
21.00 mi12:32:382:32:137:157:51
7:51
#7735
35K
21.75 mi12:37:442:37:197:145:06
6:49
#7567
23M
23.00 mi12:46:272:46:027:138:43
6:58
#7225
24M
24.00 mi12:53:172:52:527:126:50
6:50
#7025
40K
24.85 mi12:59:082:58:437:115:51
6:51
#6815
25.2M
25.20 mi13:01:373:01:127:112:29
7:12
#6677
Finish
26.22 mi13:07:433:07:187:096:06
5:59
#6299
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi100708204820411275(Top 40%)8721(Top 54%)8721(Top 388%)
10K6.21 mi3.10 mi9230+8407735+4697735+4698445(Top 30%)7254(Top 45%)7254(Top 323%)
15K9.32 mi3.11 mi9897-6678075-3408075-34011275(Top 40%)8721(Top 54%)8721(Top 388%)
20K12.43 mi3.11 mi9046+8517587+4887587+4887067(Top 25%)6254(Top 39%)6254(Top 278%)
Half13.11 mi0.68 mi9060-147594-77594-79251(Top 33%)7594(Top 47%)7594(Top 338%)
25K15.53 mi2.42 mi8783+2777408+1867408+1867866(Top 28%)6674(Top 41%)6674(Top 297%)
30K18.64 mi3.11 mi8108+6756931+4776931+4775898(Top 21%)5236(Top 33%)5236(Top 233%)
20M20.00 mi1.36 mi7886+2226762+1696762+1695909(Top 21%)5132(Top 32%)5132(Top 228%)
21M21.00 mi1.00 mi7735+1516644+1186644+1186462(Top 23%)5357(Top 33%)5357(Top 238%)
35K21.75 mi0.75 mi7567+1686506+1386506+1384216(Top 15%)3769(Top 23%)3769(Top 168%)
23M23.00 mi1.25 mi7225+3426244+2626244+2623536(Top 12%)3206(Top 20%)3206(Top 143%)
24M24.00 mi1.00 mi7025+2006079+1656079+1653707(Top 13%)3303(Top 21%)3303(Top 147%)
40K24.85 mi0.85 mi6815+2105912+1675912+1673045(Top 11%)2741(Top 17%)2741(Top 122%)
25.2M25.20 mi0.35 mi6677+1385802+1105802+1102155(Top 8%)1944(Top 12%)1944(Top 87%)
Finish26.22 mi1.02 mi6299+3785526+2765526+276890(Top 3%)839(Top 5%)839(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11275

Males

8721

M40-44

8721

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8445

Males

7254

M40-44

7254

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11275

Males

8721

M40-44

8721

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7067

Males

6254

M40-44

6254

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9251

Males

7594

M40-44

7594

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7866

Males

6674

M40-44

6674

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5898

Males

5236

M40-44

5236

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5909

Males

5132

M40-44

5132

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6462

Males

5357

M40-44

5357

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4216

Males

3769

M40-44

3769

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3536

Males

3206

M40-44

3206

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3707

Males

3303

M40-44

3303

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3045

Males

2741

M40-44

2741

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2155

Males

1944

M40-44

1944

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

890

Males

839

M40-44

839

Passing Analysis

Category:
Athletes Passed
4615*
Passed By
843
Net Change
+3771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10070
5K → 10K867*27+840#10070#9230
10K → 15K36702-667#9230#9897
15K → 20K8521+851#9897#9046
20K → Half3246-14#9046#9060
Half → 25K30225+277#9060#8783
25K → 30K6750+675#8783#8108
30K → 20M2297+222#8108#7886
20M → 21M18231+151#7886#7735
21M → 35K1680+168#7735#7567
35K → 23M3420+342#7567#7225
23M → 24M2033+200#7225#7025
24M → 40K2111+210#7025#6815
40K → 25.2M1380+138#6815#6677
25.2M → Finish3780+378#6677#6299
TOTALS4615*843+3771

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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