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BOSTON MARATHON 2023

Sumit Kumar

Bib: 25871•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
9:17/mi
28:50
↑ 97↓ 3451.5%
10K· 6.21 mi
9:28/mi
58:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:44/mi
1:25:23
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:53:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:59:18
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:21:17
↑ 66↓ 880.2%
30K· 18.64 mi
9:35/mi
2:51:04
↑ 181↓ 1480.2%
20M
9:35/mi
3:04:05
↑ 64↓ 500.2%
21M
10:52/mi
3:14:57
↑ 106↓ 241.6%
35K· 21.75 mi
10:31/mi
3:22:49
↑ 17↓ 861.7%
23M
11:00/mi
3:36:35
↑ 23↓ 630.6%
24M
11:00/mi
3:47:35
↓ 821.3%
40K· 24.85 mi
11:11/mi
3:57:09
↓ 200.3%
25.2M
11:33/mi
4:01:08
↑ 13↓ 160.2%
Finish· 26.22 mi
10:53/mi
4:12:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:18
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:12:55
Pace10:08 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0928:509:1728:50
9:17
-
10K
6.21 mi12:23:3358:149:2229:24
9:28
+0:11
15K
9.32 mi12:50:421:25:239:1027:09
8:44
-0:44
20K
12.43 mi13:18:511:53:329:0828:09
9:04
+0:20
Half
13.11 mi13:24:371:59:189:065:46
8:27
-0:37
25K
15.53 mi13:46:362:21:179:0621:59
9:04
+0:37
30K
18.64 mi14:16:232:51:049:1129:47
9:35
+0:31
20M
20.00 mi14:29:243:04:059:1213:01
9:35
0:00
21M
21.00 mi14:40:163:14:579:1710:52
10:52
+1:17
35K
21.75 mi14:48:083:22:499:207:52
10:31
-0:21
23M
23.00 mi15:01:543:36:359:2513:46
11:00
+0:29
24M
24.00 mi15:12:543:47:359:2911:00
11:00
0:00
40K
24.85 mi15:22:283:57:099:329:34
11:11
+0:11
25.2M
25.20 mi15:26:274:01:089:343:59
11:33
+0:22
Finish
26.22 mi15:37:324:12:139:3811:05
10:53
-0:40

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

8:27 /mi

Average Pace

9:38 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:03

33% of race

Time at Steady Pace

1:41:02

40% of race

Time at Slower Pace

1:08:08

27% of race

Average Pace: 9:37 /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 mi11:54:0928:509:1728:50
9:17
#21465
10K
6.21 mi12:23:3358:149:2229:24
9:28
#21956
15K
9.32 mi12:50:421:25:239:1027:09
8:44
#21239
20K
12.43 mi13:18:511:53:329:0828:09
9:04
#20935
Half
13.11 mi13:24:371:59:189:065:46
8:27
#20782
25K
15.53 mi13:46:362:21:179:0621:59
9:04
#20537
30K
18.64 mi14:16:232:51:049:1129:47
9:35
#20368
20M
20.00 mi14:29:243:04:059:1213:01
9:35
#20265
21M
21.00 mi14:40:163:14:579:1710:52
10:52
#20269
35K
21.75 mi14:48:083:22:499:207:52
10:31
#20363
23M
23.00 mi15:01:543:36:359:2513:46
11:00
#20522
24M
24.00 mi15:12:543:47:359:2911:00
11:00
#20676
40K
24.85 mi15:22:283:57:099:329:34
11:11
#20762
25.2M
25.20 mi15:26:274:01:089:343:59
11:33
#20781
Finish
26.22 mi15:37:324:12:139:3811:05
10:53
#20908
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21465128251282519179(Top 72%)11954(Top 79%)11954(Top 226%)
10K6.21 mi3.10 mi21956-49113105-28013105-28022403(Top 84%)13346(Top 88%)13346(Top 253%)
15K9.32 mi3.11 mi21239+71712810+29512810+29519179(Top 72%)11954(Top 79%)11954(Top 226%)
20K12.43 mi3.11 mi20935+30412679+13112679+13119969(Top 75%)12288(Top 81%)12288(Top 233%)
Half13.11 mi0.68 mi20782+15312611+6812611+6817459(Top 66%)11293(Top 74%)11293(Top 214%)
25K15.53 mi2.42 mi20537+24512512+9912512+9919272(Top 72%)11961(Top 79%)11961(Top 226%)
30K18.64 mi3.11 mi20368+16912410+10212410+10219733(Top 74%)12100(Top 80%)12100(Top 229%)
20M20.00 mi1.36 mi20265+10312350+6012350+6019166(Top 72%)11757(Top 77%)11757(Top 222%)
21M21.00 mi1.00 mi20269-412343+712343+720527(Top 77%)12302(Top 81%)12302(Top 233%)
35K21.75 mi0.75 mi20363-9412376-3312376-3322406(Top 84%)13107(Top 86%)13107(Top 248%)
23M23.00 mi1.25 mi20522-15912435-5912435-5922322(Top 84%)13072(Top 86%)13072(Top 247%)
24M24.00 mi1.00 mi20676-15412493-5812493-5823049(Top 87%)13362(Top 88%)13362(Top 253%)
40K24.85 mi0.85 mi20762-8612520-2712520-2722709(Top 85%)13178(Top 87%)13178(Top 249%)
25.2M25.20 mi0.35 mi20781-1912527-712527-721639(Top 81%)12684(Top 84%)12684(Top 240%)
Finish26.22 mi1.02 mi20908-12712566-3912566-3923732(Top 89%)13687(Top 90%)13687(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19179

Males

11954

M18-39

11954

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22403

Males

13346

M18-39

13346

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19179

Males

11954

M18-39

11954

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19969

Males

12288

M18-39

12288

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17459

Males

11293

M18-39

11293

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19272

Males

11961

M18-39

11961

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19733

Males

12100

M18-39

12100

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19166

Males

11757

M18-39

11757

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20527

Males

12302

M18-39

12302

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22406

Males

13107

M18-39

13107

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22322

Males

13072

M18-39

13072

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23049

Males

13362

M18-39

13362

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22709

Males

13178

M18-39

13178

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21639

Males

12684

M18-39

12684

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23732

Males

13687

M18-39

13687

Passing Analysis

Category:
Athletes Passed
2112
Passed By
1555
Net Change
+557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21465
5K → 10K91582-491#21465#21956
10K → 15K7225+717#21956#21239
15K → 20K34339+304#21239#20935
20K → Half1530+153#20935#20782
Half → 25K26217+245#20782#20537
25K → 30K23667+169#20537#20368
30K → 20M13128+103#20368#20265
20M → 21M7175-4#20265#20269
21M → 35K22116-94#20269#20363
35K → 23M25184-159#20363#20522
23M → 24M15169-154#20522#20676
24M → 40K18104-86#20676#20762
40K → 25.2M928-19#20762#20781
25.2M → Finish14141-127#20781#20908
TOTALS21121555+557
📊

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