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BOSTON MARATHON 2024

Chris Rossow

Bib: 7450•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 37%
Gender (Male)
#0 / 14578
Top 48%
Masters (Masters Men)
#0 / 9729
Top 38%
Division (M50-54)
#0 / 1935
Top 39%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:30
Rank: #8725
Start → 5K
22:30 | 7:15/mi
10K· 6.21 mi
45:25
Rank: #8968 (-243)
5K → 10K
22:55 | 7:23/mi
15K· 9.32 mi
1:08:42
Rank: #9122 (-154)
10K → 15K
23:17 | 7:30/mi
20K· 12.43 mi
1:32:06
Rank: #8937 (+185)
15K → 20K
23:24 | 7:32/mi
Half· 13.11 mi
1:37:08
Rank: #8907 (+30)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:55:47
Rank: #8746 (+161)
Half → 25K
18:39 | 7:42/mi
30K· 18.64 mi
2:22:49
Rank: #9278 (-532)
25K → 30K
27:02 | 8:42/mi
20M
2:34:10
Rank: #9156 (+122)
30K → 20M
11:21 | 8:21/mi
21M
2:44:14
Rank: #9366 (-210)
20M → 21M
10:04 | 10:04/mi
35K· 21.75 mi
2:50:40
Rank: #9402 (-36)
21M → 35K
6:26 | 8:36/mi
23M
3:02:05
Rank: #9526 (-124)
35K → 23M
11:25 | 9:07/mi
24M
3:10:59
Rank: #9612 (-86)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:17:50
Rank: #9418 (+194)
24M → 40K
6:51 | 8:01/mi
25.2M
3:21:05
Rank: #9402 (+16)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:29:10
Rank: #9323 (+79)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:08
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:52:02
Pace8:33 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:4322:307:1522:30
7:15
-
10K
6.21 mi10:52:3845:257:1922:55
7:23
+0:08
15K
9.32 mi11:15:551:08:427:2223:17
7:30
+0:07
20K
12.43 mi11:39:191:32:067:2523:24
7:32
+0:02
Half
13.11 mi11:44:211:37:087:255:02
7:23
-0:09
25K
15.53 mi12:03:001:55:477:2718:39
7:42
+0:19
30K
18.64 mi12:30:022:22:497:4027:02
8:42
+1:00
20M
20.00 mi12:41:232:34:107:4211:21
8:21
-0:21
21M
21.00 mi12:51:272:44:147:4910:04
10:04
+1:43
35K
21.75 mi12:57:532:50:407:516:26
8:36
-1:28
23M
23.00 mi13:09:183:02:057:5511:25
9:07
+0:31
24M
24.00 mi13:18:123:10:597:578:54
8:54
-0:13
40K
24.85 mi13:25:033:17:507:586:51
8:01
-0:53
25.2M
25.20 mi13:28:183:21:057:593:15
9:25
+1:24
Finish
26.22 mi13:36:233:29:107:598:05
7:56
-1:29

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

7:15 /mi

Average Pace

7:59 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:08

46% of race

Time at Steady Pace

44:56

21% of race

Time at Slower Pace

1:07:06

32% of race

Average Pace: 7:59 /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 mi10:29:4322:307:1522:30
7:15
#8725
10K
6.21 mi10:52:3845:257:1922:55
7:23
#8968
15K
9.32 mi11:15:551:08:427:2223:17
7:30
#9122
20K
12.43 mi11:39:191:32:067:2523:24
7:32
#8937
Half
13.11 mi11:44:211:37:087:255:02
7:23
#8907
25K
15.53 mi12:03:001:55:477:2718:39
7:42
#8746
30K
18.64 mi12:30:022:22:497:4027:02
8:42
#9278
20M
20.00 mi12:41:232:34:107:4211:21
8:21
#9156
21M
21.00 mi12:51:272:44:147:4910:04
10:04
#9366
35K
21.75 mi12:57:532:50:407:516:26
8:36
#9402
23M
23.00 mi13:09:183:02:057:5511:25
9:07
#9526
24M
24.00 mi13:18:123:10:597:578:54
8:54
#9612
40K
24.85 mi13:25:033:17:507:586:51
8:01
#9418
25.2M
25.20 mi13:28:183:21:057:593:15
9:25
#9402
Finish
26.22 mi13:36:233:29:107:598:05
7:56
#9323
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8725724672469634(Top 38%)7621(Top 52%)7621(Top 394%)
10K6.21 mi3.10 mi8968-2437347-1017347-1019239(Top 36%)7461(Top 51%)7461(Top 386%)
15K9.32 mi3.11 mi9122-1547425-787425-789634(Top 38%)7621(Top 52%)7621(Top 394%)
20K12.43 mi3.11 mi8937+1857280+1457280+1458594(Top 34%)6951(Top 48%)6951(Top 359%)
Half13.11 mi0.68 mi8907+307256+247256+248198(Top 32%)6746(Top 46%)6746(Top 349%)
25K15.53 mi2.42 mi8746+1617130+1267130+1268216(Top 32%)6547(Top 45%)6547(Top 338%)
30K18.64 mi3.11 mi9278-5327314-1847314-18411692(Top 46%)8095(Top 56%)8095(Top 418%)
20M20.00 mi1.36 mi9156+1227182+1327182+1328646(Top 34%)6331(Top 43%)6331(Top 327%)
21M21.00 mi1.00 mi9366-2107224-427224-4213210(Top 52%)8280(Top 57%)8280(Top 428%)
35K21.75 mi0.75 mi9402-367211+137211+1311268(Top 44%)7334(Top 50%)7334(Top 379%)
23M23.00 mi1.25 mi9526-1247210+17210+111750(Top 46%)7438(Top 51%)7438(Top 384%)
24M24.00 mi1.00 mi9612-867204+67204+611615(Top 45%)7364(Top 51%)7364(Top 381%)
40K24.85 mi0.85 mi9418+1947068+1367068+1365862(Top 23%)4256(Top 29%)4256(Top 220%)
25.2M25.20 mi0.35 mi9402+167040+287040+288391(Top 33%)5534(Top 38%)5534(Top 286%)
Finish26.22 mi1.02 mi9323+796956+846956+848126(Top 32%)5464(Top 37%)5464(Top 282%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9634

Males

7621

M50-54

7621

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9239

Males

7461

M50-54

7461

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9634

Males

7621

M50-54

7621

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8594

Males

6951

M50-54

6951

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8198

Males

6746

M50-54

6746

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8216

Males

6547

M50-54

6547

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

11692

Males

8095

M50-54

8095

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

8646

Males

6331

M50-54

6331

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13210

Males

8280

M50-54

8280

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11268

Males

7334

M50-54

7334

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

11750

Males

7438

M50-54

7438

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11615

Males

7364

M50-54

7364

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5862

Males

4256

M50-54

4256

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8391

Males

5534

M50-54

5534

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8126

Males

5464

M50-54

5464

Passing Analysis

Category:
Athletes Passed
1898*
Passed By
2496
Net Change
-598
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8725
5K → 10K148391-243#8725#8968
10K → 15K132286-154#8968#9122
15K → 20K28297+185#9122#8937
20K → Half4919+30#8937#8907
Half → 25K264103+161#8907#8746
25K → 30K142674-532#8746#9278
30K → 20M19472+122#9278#9156
20M → 21M69279-210#9156#9366
21M → 35K5995-36#9366#9402
35K → 23M116240-124#9402#9526
23M → 24M70*156-86#9526#9612
24M → 40K20410+194#9612#9418
40K → 25.2M5034+16#9418#9402
25.2M → Finish11940+79#9402#9323
TOTALS1898*2496-598

* 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