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BOSTON MARATHON 2025

Matthew Sommer

Bib: 13308•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
Masters (Masters Men)
#0 / 10463
Top 22%
Division (M45-49)
#0 / 2386
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:10/mi
22:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
44:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:06:55
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:28:52
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:33:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:02/mi
1:50:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:13/mi
2:13:07
↑ 181↓ 1480.2%
20M
7:23/mi
2:23:09
↑ 64↓ 500.2%
21M
7:32/mi
2:30:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:36:00
↑ 17↓ 861.7%
23M
7:19/mi
2:45:10
↑ 23↓ 630.6%
24M
7:06/mi
2:52:16
↓ 821.3%
40K· 24.85 mi
7:17/mi
2:58:30
↓ 200.3%
25.2M
7:53/mi
3:01:13
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:08:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:38
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:34:39
Pace7:13 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0822:177:1022:17
7:10
-
10K
6.21 mi11:14:3744:467:1222:29
7:14
+0:04
15K
9.32 mi11:36:461:06:557:1122:09
7:08
-0:06
20K
12.43 mi11:58:431:28:527:0921:57
7:04
-0:04
Half
13.11 mi12:03:291:33:387:094:46
6:59
-0:05
25K
15.53 mi12:20:321:50:417:0817:03
7:02
+0:03
30K
18.64 mi12:42:582:13:077:0822:26
7:13
+0:11
20M
20.00 mi12:53:002:23:097:0910:02
7:23
+0:10
21M
21.00 mi13:00:322:30:417:117:32
7:32
+0:09
35K
21.75 mi13:05:512:36:007:105:19
7:06
-0:26
23M
23.00 mi13:15:012:45:107:119:10
7:19
+0:13
24M
24.00 mi13:22:072:52:167:117:06
7:06
-0:13
40K
24.85 mi13:28:212:58:307:116:14
7:17
+0:11
25.2M
25.20 mi13:31:043:01:137:112:43
7:53
+0:36
Finish
26.22 mi13:38:083:08:177:117:04
6:56
-0:57

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

6:56 /mi

Average Pace

7:11 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:34

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:52:0822:177:1022:17
7:10
#9227
10K
6.21 mi11:14:3744:467:1222:29
7:14
#9486
15K
9.32 mi11:36:461:06:557:1122:09
7:08
#9150
20K
12.43 mi11:58:431:28:527:0921:57
7:04
#8548
Half
13.11 mi12:03:291:33:387:094:46
6:59
#8476
25K
15.53 mi12:20:321:50:417:0817:03
7:02
#8104
30K
18.64 mi12:42:582:13:077:0822:26
7:13
#7616
20M
20.00 mi12:53:002:23:097:0910:02
7:23
#7432
21M
21.00 mi13:00:322:30:417:117:32
7:32
#7230
35K
21.75 mi13:05:512:36:007:105:19
7:06
#7135
23M
23.00 mi13:15:012:45:107:119:10
7:19
#6986
24M
24.00 mi13:22:072:52:167:117:06
7:06
#6842
40K
24.85 mi13:28:212:58:307:116:14
7:17
#6736
25.2M
25.20 mi13:31:043:01:137:112:43
7:53
#6685
Finish
26.22 mi13:38:083:08:177:117:04
6:56
#6566
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9227773277328522(Top 30%)7256(Top 45%)7256(Top 304%)
10K6.21 mi3.10 mi9486-2597890-1587890-1589788(Top 34%)8022(Top 50%)8022(Top 336%)
15K9.32 mi3.11 mi9150+3367671+2197671+2198522(Top 30%)7256(Top 45%)7256(Top 304%)
20K12.43 mi3.11 mi8548+6027291+3807291+3807288(Top 26%)6409(Top 40%)6409(Top 269%)
Half13.11 mi0.68 mi8476+727243+487243+487451(Top 26%)6541(Top 41%)6541(Top 274%)
25K15.53 mi2.42 mi8104+3726989+2546989+2546530(Top 23%)5784(Top 36%)5784(Top 242%)
30K18.64 mi3.11 mi7616+4886639+3506639+3506017(Top 21%)5318(Top 33%)5318(Top 223%)
20M20.00 mi1.36 mi7432+1846481+1586481+1586290(Top 22%)5395(Top 33%)5395(Top 226%)
21M21.00 mi1.00 mi7230+2026309+1726309+1724795(Top 17%)4229(Top 26%)4229(Top 177%)
35K21.75 mi0.75 mi7135+956227+826227+826031(Top 21%)5088(Top 32%)5088(Top 213%)
23M23.00 mi1.25 mi6986+1496090+1376090+1375581(Top 20%)4725(Top 29%)4725(Top 198%)
24M24.00 mi1.00 mi6842+1445964+1265964+1265225(Top 18%)4415(Top 27%)4415(Top 185%)
40K24.85 mi0.85 mi6736+1065861+1035861+1035604(Top 20%)4623(Top 29%)4623(Top 194%)
25.2M25.20 mi0.35 mi6685+515807+545807+545300(Top 19%)4321(Top 27%)4321(Top 181%)
Finish26.22 mi1.02 mi6566+1195700+1075700+1075314(Top 19%)4325(Top 27%)4325(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8522

Males

7256

M45-49

7256

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9788

Males

8022

M45-49

8022

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8522

Males

7256

M45-49

7256

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7288

Males

6409

M45-49

6409

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7451

Males

6541

M45-49

6541

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6530

Males

5784

M45-49

5784

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

6017

Males

5318

M45-49

5318

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6290

Males

5395

M45-49

5395

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4795

Males

4229

M45-49

4229

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

6031

Males

5088

M45-49

5088

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5581

Males

4725

M45-49

4725

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5225

Males

4415

M45-49

4415

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5604

Males

4623

M45-49

4623

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5300

Males

4321

M45-49

4321

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5314

Males

4325

M45-49

4325

Passing Analysis

Category:
Athletes Passed
3224
Passed By
563
Net Change
+2661
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9227
5K → 10K139398-259#9227#9486
10K → 15K37337+336#9486#9150
15K → 20K6064+602#9150#8548
20K → Half808+72#8548#8476
Half → 25K3775+372#8476#8104
25K → 30K50012+488#8104#7616
30K → 20M20016+184#7616#7432
20M → 21M2064+202#7432#7230
21M → 35K994+95#7230#7135
35K → 23M16617+149#7135#6986
23M → 24M15410+144#6986#6842
24M → 40K12620+106#6842#6736
40K → 25.2M6413+51#6736#6685
25.2M → Finish13415+119#6685#6566
TOTALS3224563+2661
📊

Passing Visuals

Category:
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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