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BOSTON MARATHON 2024

Christopher Koehn

Bib: 6055•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 42%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 43%
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered 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
7:03/mi
21:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
45:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:09:08
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:34:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:39:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:00:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:27:52
↑ 181↓ 1480.2%
20M
8:41/mi
2:39:40
↑ 64↓ 500.2%
21M
9:05/mi
2:48:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:54:59
↑ 17↓ 861.7%
23M
8:46/mi
3:05:57
↑ 23↓ 630.6%
24M
8:49/mi
3:14:46
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:22:30
↓ 200.3%
25.2M
9:54/mi
3:25:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:34:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:57
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:54:30
Pace8:44 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:4121:557:0321:55
7:03
-
10K
6.21 mi10:50:5545:097:1623:14
7:29
+0:26
15K
9.32 mi11:14:541:09:087:2523:59
7:43
+0:14
20K
12.43 mi11:40:161:34:307:3625:22
8:10
+0:27
Half
13.11 mi11:45:431:39:577:375:27
7:59
-0:11
25K
15.53 mi12:06:052:00:197:4520:22
8:24
+0:25
30K
18.64 mi12:33:382:27:527:5627:33
8:52
+0:28
20M
20.00 mi12:45:262:39:407:5911:48
8:41
-0:11
21M
21.00 mi12:54:312:48:458:029:05
9:05
+0:24
35K
21.75 mi13:00:452:54:598:036:14
8:20
-0:45
23M
23.00 mi13:11:433:05:578:0510:58
8:46
+0:26
24M
24.00 mi13:20:323:14:468:078:49
8:49
+0:03
40K
24.85 mi13:28:163:22:308:097:44
9:03
+0:14
25.2M
25.20 mi13:31:413:25:558:103:25
9:54
+0:51
Finish
26.22 mi13:40:133:34:278:118:32
8:22
-1:32

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

7:03 /mi

Average Pace

8:11 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:35

35% of race

Time at Steady Pace

1:12:18

34% of race

Time at Slower Pace

1:07:34

32% of race

Average Pace: 8:11 /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 mi10:27:4121:557:0321:55
7:03
#7377
10K
6.21 mi10:50:5545:097:1623:14
7:29
#8640
15K
9.32 mi11:14:541:09:087:2523:59
7:43
#9487
20K
12.43 mi11:40:161:34:307:3625:22
8:10
#10422
Half
13.11 mi11:45:431:39:577:375:27
7:59
#10521
25K
15.53 mi12:06:052:00:197:4520:22
8:24
#10889
30K
18.64 mi12:33:382:27:527:5627:33
8:52
#11182
20M
20.00 mi12:45:262:39:407:5911:48
8:41
#11056
21M
21.00 mi12:54:312:48:458:029:05
9:05
#10829
35K
21.75 mi13:00:452:54:598:036:14
8:20
#10775
23M
23.00 mi13:11:433:05:578:0510:58
8:46
#10676
24M
24.00 mi13:20:323:14:468:078:49
8:49
#10683
40K
24.85 mi13:28:163:22:308:097:44
9:03
#10667
25.2M
25.20 mi13:31:413:25:558:103:25
9:54
#10652
Finish
26.22 mi13:40:133:34:278:118:32
8:22
#10636
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi73776414641411326(Top 44%)8439(Top 58%)8439(Top 420%)
10K6.21 mi3.10 mi8640-12637160-7467160-74610093(Top 40%)7926(Top 54%)7926(Top 395%)
15K9.32 mi3.11 mi9487-8477618-4587618-45811326(Top 44%)8439(Top 58%)8439(Top 420%)
20K12.43 mi3.11 mi10422-9358023-4058023-40512903(Top 51%)9079(Top 62%)9079(Top 452%)
Half13.11 mi0.68 mi10521-998074-518074-5112614(Top 49%)8906(Top 61%)8906(Top 443%)
25K15.53 mi2.42 mi10889-3688186-1128186-11212497(Top 49%)8690(Top 60%)8690(Top 433%)
30K18.64 mi3.11 mi11182-2938238-528238-5212545(Top 49%)8489(Top 58%)8489(Top 423%)
20M20.00 mi1.36 mi11056+1268120+1188120+11810431(Top 41%)7236(Top 50%)7236(Top 360%)
21M21.00 mi1.00 mi10829+2277948+1727948+1728946(Top 35%)6261(Top 43%)6261(Top 312%)
35K21.75 mi0.75 mi10775+547894+547894+549755(Top 38%)6639(Top 46%)6639(Top 330%)
23M23.00 mi1.25 mi10676+997781+1137781+1139857(Top 39%)6512(Top 45%)6512(Top 324%)
24M24.00 mi1.00 mi10683-77740+417740+4111182(Top 44%)7148(Top 49%)7148(Top 356%)
40K24.85 mi0.85 mi10667+167677+637677+6311044(Top 43%)6941(Top 48%)6941(Top 345%)
25.2M25.20 mi0.35 mi10652+157652+257652+2510517(Top 41%)6627(Top 45%)6627(Top 330%)
Finish26.22 mi1.02 mi10636+167599+537599+5310778(Top 42%)6883(Top 47%)6883(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11326

Males

8439

M40-44

8439

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10093

Males

7926

M40-44

7926

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11326

Males

8439

M40-44

8439

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

12903

Males

9079

M40-44

9079

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12614

Males

8906

M40-44

8906

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12497

Males

8690

M40-44

8690

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

12545

Males

8489

M40-44

8489

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10431

Males

7236

M40-44

7236

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

8946

Males

6261

M40-44

6261

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9755

Males

6639

M40-44

6639

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

9857

Males

6512

M40-44

6512

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11182

Males

7148

M40-44

7148

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11044

Males

6941

M40-44

6941

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10517

Males

6627

M40-44

6627

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

10778

Males

6883

M40-44

6883

Passing Analysis

Category:
Athletes Passed
1561*
Passed By
4818
Net Change
-3259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7377
5K → 10K201283-1263#7377#8640
10K → 15K42889-847#8640#9487
15K → 20K52985-935#9487#10422
20K → Half16115-99#10422#10521
Half → 25K137505-368#10521#10889
25K → 30K188481-293#10889#11182
30K → 20M20074+126#11182#11056
20M → 21M27144+227#11056#10829
21M → 35K9339+54#10829#10775
35K → 23M19091+99#10775#10676
23M → 24M110117-7#10676#10683
24M → 40K102*86+16#10683#10667
40K → 25.2M4833+15#10667#10652
25.2M → Finish9276+16#10652#10636
TOTALS1561*4818-3259

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

📊

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