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BOSTON MARATHON 2023

Seth Kohler

FL

Bib: 6959 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:03/mi
21:53
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:57/mi
43:30
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:00/mi
1:05:14
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:11/mi
1:27:32
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:01/mi
1:32:19
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:19/mi
1:50:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:45/mi
2:14:07
↑ 181↓ 1480.2%
138 ft elev
20M
7:55/mi
2:24:53
↑ 64↓ 500.2%
148 ft elev
21M
8:27/mi
2:33:20
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:25/mi
2:38:53
↑ 17↓ 861.7%
156 ft elev
23M
8:02/mi
2:48:56
↑ 23↓ 630.6%
116 ft elev
24M
7:57/mi
2:56:53
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:51/mi
3:03:36
↓ 200.3%
20 ft elev
25.2M
8:10/mi
3:06:25
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:37/mi
3:14:11
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:19
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:41:52
Pace7:46 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0321:537:0321:53
7:03
-
10K
6.21 mi10:47:4043:307:0021:37
6:57
-0:06
15K
9.32 mi11:09:241:05:147:0021:44
7:00
+0:03
20K
12.43 mi11:31:421:27:327:0322:18
7:11
+0:11
Half
13.11 mi11:36:291:32:197:034:47
7:01
-0:10
25K
15.53 mi11:54:131:50:037:0517:44
7:19
+0:18
30K
18.64 mi12:18:172:14:077:1224:04
7:45
+0:26
20M
20.00 mi12:29:032:24:537:1510:46
7:55
+0:10
21M
21.00 mi12:37:302:33:207:188:27
8:27
+0:32
35K
21.75 mi12:43:032:38:537:185:33
7:25
-1:02
23M
23.00 mi12:53:062:48:567:2110:03
8:02
+0:37
24M
24.00 mi13:01:032:56:537:227:57
7:57
-0:05
40K
24.85 mi13:07:463:03:367:236:43
7:51
-0:06
25.2M
25.20 mi13:10:353:06:257:242:49
8:10
+0:19
Finish
26.22 mi13:18:213:14:117:257:46
7:37
-0:33

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

6:57 /mi

Average Pace

7:25 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:03

57% of race

Time at Steady Pace

37:23

19% of race

Time at Slower Pace

46:45

24% of race

Average Pace: 7:24 /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 mi10:26:0321:537:0321:53
7:03
#6516
10K
6.21 mi10:47:4043:307:0021:37
6:57
#6501
15K
9.32 mi11:09:241:05:147:0021:44
7:00
#6509
20K
12.43 mi11:31:421:27:327:0322:18
7:11
#6603
Half
13.11 mi11:36:291:32:197:034:47
7:01
#6604
25K
15.53 mi11:54:131:50:037:0517:44
7:19
#6695
30K
18.64 mi12:18:172:14:077:1224:04
7:45
#6965
20M
20.00 mi12:29:032:24:537:1510:46
7:55
#7076
21M
21.00 mi12:37:302:33:207:188:27
8:27
#7199
35K
21.75 mi12:43:032:38:537:185:33
7:25
#7204
23M
23.00 mi12:53:062:48:567:2110:03
8:02
#7316
24M
24.00 mi13:01:032:56:537:227:57
7:57
#7411
40K
24.85 mi13:07:463:03:367:236:43
7:51
#7451
25.2M
25.20 mi13:10:353:06:257:242:49
8:10
#7449
Finish
26.22 mi13:18:213:14:117:257:46
7:37
#7501
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6516590059006530(Top 25%)5884(Top 39%)5884(Top 263%)
10K6.21 mi3.10 mi6501+155872+285872+286540(Top 25%)5890(Top 39%)5890(Top 263%)
15K9.32 mi3.11 mi6509-85875-35875-36530(Top 25%)5884(Top 39%)5884(Top 263%)
20K12.43 mi3.11 mi6603-945937-625937-626960(Top 26%)6183(Top 41%)6183(Top 276%)
Half13.11 mi0.68 mi6604-15934+35934+36609(Top 25%)5949(Top 39%)5949(Top 265%)
25K15.53 mi2.42 mi6695-916003-696003-697365(Top 28%)6393(Top 42%)6393(Top 285%)
30K18.64 mi3.11 mi6965-2706187-1846187-1848959(Top 34%)7254(Top 48%)7254(Top 324%)
20M20.00 mi1.36 mi7076-1116263-766263-769689(Top 36%)7564(Top 50%)7564(Top 338%)
21M21.00 mi1.00 mi7199-1236330-676330-6710140(Top 38%)7670(Top 51%)7670(Top 342%)
35K21.75 mi0.75 mi7204-56320+106320+107890(Top 30%)6425(Top 42%)6425(Top 287%)
23M23.00 mi1.25 mi7316-1126361-416361-419898(Top 37%)7413(Top 49%)7413(Top 331%)
24M24.00 mi1.00 mi7411-956410-496410-4910843(Top 41%)7816(Top 52%)7816(Top 349%)
40K24.85 mi0.85 mi7451-406404+66404+68984(Top 34%)6794(Top 45%)6794(Top 303%)
25.2M25.20 mi0.35 mi7449+26396+86396+87450(Top 28%)5850(Top 39%)5850(Top 261%)
Finish26.22 mi1.02 mi7501-526419-236419-239378(Top 35%)6947(Top 46%)6947(Top 310%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6530

Males

5884

M40-44

5884

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6540

Males

5890

M40-44

5890

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6530

Males

5884

M40-44

5884

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6960

Males

6183

M40-44

6183

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6609

Males

5949

M40-44

5949

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7365

Males

6393

M40-44

6393

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8959

Males

7254

M40-44

7254

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9689

Males

7564

M40-44

7564

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10140

Males

7670

M40-44

7670

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7890

Males

6425

M40-44

6425

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9898

Males

7413

M40-44

7413

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10843

Males

7816

M40-44

7816

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8984

Males

6794

M40-44

6794

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7450

Males

5850

M40-44

5850

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9378

Males

6947

M40-44

6947

Passing Analysis

Category:
Athletes Passed
804
Passed By
1789
Net Change
-985
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6516
5K → 10K198183+15#6516#6501
10K → 15K118126-8#6501#6509
15K → 20K77171-94#6509#6603
20K → Half2021-1#6603#6604
Half → 25K51142-91#6604#6695
25K → 30K44314-270#6695#6965
30K → 20M30141-111#6965#7076
20M → 21M31154-123#7076#7199
21M → 35K3742-5#7199#7204
35K → 23M50162-112#7204#7316
23M → 24M31126-95#7316#7411
24M → 40K4888-40#7411#7451
40K → 25.2M2018+2#7451#7449
25.2M → Finish49101-52#7449#7501
TOTALS8041789-985
📊

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