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BOSTON MARATHON 2025

Adam Schwartz-Lowe

Bib: 8735•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M50-54)
#0 / 1996
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:46
Rank: #7863
Start → 5K
21:46 | 7:00/mi
10K· 6.21 mi
44:16
Rank: #8818 (-955)
5K → 10K
22:30 | 7:15/mi
15K· 9.32 mi
1:06:15
Rank: #8545 (+273)
10K → 15K
21:59 | 7:05/mi
20K· 12.43 mi
1:29:45
Rank: #9179 (-634)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:34:46
Rank: #9243 (-64)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:53:06
Rank: #9406 (-163)
Half → 25K
18:20 | 7:34/mi
30K· 18.64 mi
2:17:23
Rank: #9443 (-37)
25K → 30K
24:17 | 7:49/mi
20M
2:28:01
Rank: #9386 (+57)
30K → 20M
10:38 | 7:49/mi
21M
2:36:17
Rank: #9332 (+54)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:42:00
Rank: #9327 (+5)
21M → 35K
5:43 | 7:38/mi
23M
2:51:56
Rank: #9281 (+46)
35K → 23M
9:56 | 7:56/mi
24M
2:59:48
Rank: #9311 (-30)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:06:28
Rank: #9251 (+60)
24M → 40K
6:40 | 7:48/mi
25.2M
3:09:19
Rank: #9203 (+48)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:16:52
Rank: #9159 (+44)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:46
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:42:06
Pace7:47 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2721:467:0021:46
7:00
-
10K
6.21 mi11:09:5744:167:0722:30
7:15
+0:15
15K
9.32 mi11:31:561:06:157:0621:59
7:05
-0:10
20K
12.43 mi11:55:261:29:457:1323:30
7:34
+0:29
Half
13.11 mi12:00:271:34:467:145:01
7:21
-0:13
25K
15.53 mi12:18:471:53:067:1718:20
7:34
+0:13
30K
18.64 mi12:43:042:17:237:2224:17
7:49
+0:15
20M
20.00 mi12:53:422:28:017:2410:38
7:49
0:00
21M
21.00 mi13:01:582:36:177:278:16
8:16
+0:27
35K
21.75 mi13:07:412:42:007:275:43
7:38
-0:38
23M
23.00 mi13:17:372:51:567:299:56
7:56
+0:18
24M
24.00 mi13:25:292:59:487:307:52
7:52
-0:04
40K
24.85 mi13:32:093:06:287:306:40
7:48
-0:04
25.2M
25.20 mi13:35:003:09:197:312:51
8:16
+0:28
Finish
26.22 mi13:42:333:16:527:317:33
7:25
-0:51

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

7:00 /mi

Average Pace

7:31 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:22

64% of race

Time at Steady Pace

59:23

30% of race

Time at Slower Pace

11:07

6% of race

Average Pace: 7:30 /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 mi10:47:2721:467:0021:46
7:00
#7863
10K
6.21 mi11:09:5744:167:0722:30
7:15
#8818
15K
9.32 mi11:31:561:06:157:0621:59
7:05
#8545
20K
12.43 mi11:55:261:29:457:1323:30
7:34
#9179
Half
13.11 mi12:00:271:34:467:145:01
7:21
#9243
25K
15.53 mi12:18:471:53:067:1718:20
7:34
#9406
30K
18.64 mi12:43:042:17:237:2224:17
7:49
#9443
20M
20.00 mi12:53:422:28:017:2410:38
7:49
#9386
21M
21.00 mi13:01:582:36:177:278:16
8:16
#9332
35K
21.75 mi13:07:412:42:007:275:43
7:38
#9327
23M
23.00 mi13:17:372:51:567:299:56
7:56
#9281
24M
24.00 mi13:25:292:59:487:307:52
7:52
#9311
40K
24.85 mi13:32:093:06:287:306:40
7:48
#9251
25.2M
25.20 mi13:35:003:09:197:312:51
8:16
#9203
Finish
26.22 mi13:42:333:16:527:317:33
7:25
#9159
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7863691169118160(Top 29%)7041(Top 44%)7041(Top 353%)
10K6.21 mi3.10 mi8818-9557491-5807491-5809843(Top 35%)8055(Top 50%)8055(Top 404%)
15K9.32 mi3.11 mi8545+2737315+1767315+1768160(Top 29%)7041(Top 44%)7041(Top 353%)
20K12.43 mi3.11 mi9179-6347663-3487663-34811256(Top 40%)8615(Top 53%)8615(Top 432%)
Half13.11 mi0.68 mi9243-647693-307693-3010404(Top 37%)8217(Top 51%)8217(Top 412%)
25K15.53 mi2.42 mi9406-1637747-547747-5410428(Top 37%)8102(Top 50%)8102(Top 406%)
30K18.64 mi3.11 mi9443-377717+307717+3010060(Top 35%)7714(Top 48%)7714(Top 386%)
20M20.00 mi1.36 mi9386+577644+737644+739180(Top 32%)7091(Top 44%)7091(Top 355%)
21M21.00 mi1.00 mi9332+547582+627582+628990(Top 32%)6809(Top 42%)6809(Top 341%)
35K21.75 mi0.75 mi9327+57561+217561+219598(Top 34%)7152(Top 44%)7152(Top 358%)
23M23.00 mi1.25 mi9281+467495+667495+669511(Top 33%)6982(Top 43%)6982(Top 350%)
24M24.00 mi1.00 mi9311-307483+127483+1210295(Top 36%)7315(Top 45%)7315(Top 366%)
40K24.85 mi0.85 mi9251+607409+747409+748717(Top 31%)6374(Top 40%)6374(Top 319%)
25.2M25.20 mi0.35 mi9203+487364+457364+457431(Top 26%)5596(Top 35%)5596(Top 280%)
Finish26.22 mi1.02 mi9159+447296+687296+688536(Top 30%)6208(Top 39%)6208(Top 311%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8160

Males

7041

M50-54

7041

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9843

Males

8055

M50-54

8055

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8160

Males

7041

M50-54

7041

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11256

Males

8615

M50-54

8615

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10404

Males

8217

M50-54

8217

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10428

Males

8102

M50-54

8102

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10060

Males

7714

M50-54

7714

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9180

Males

7091

M50-54

7091

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8990

Males

6809

M50-54

6809

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9598

Males

7152

M50-54

7152

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9511

Males

6982

M50-54

6982

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10295

Males

7315

M50-54

7315

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8717

Males

6374

M50-54

6374

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7431

Males

5596

M50-54

5596

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8536

Males

6208

M50-54

6208

Passing Analysis

Category:
Athletes Passed
1529
Passed By
2825
Net Change
-1296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7863
5K → 10K20975-955#7863#8818
10K → 15K33360+273#8818#8545
15K → 20K50684-634#8545#9179
20K → Half1781-64#9179#9243
Half → 25K111274-163#9243#9406
25K → 30K217254-37#9406#9443
30K → 20M12972+57#9443#9386
20M → 21M11763+54#9386#9332
21M → 35K6156+5#9332#9327
35K → 23M12983+46#9327#9281
23M → 24M78108-30#9281#9311
24M → 40K10747+60#9311#9251
40K → 25.2M6214+48#9251#9203
25.2M → Finish9854+44#9203#9159
TOTALS15292825-1296
📊

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