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BOSTON MARATHON 2023

Andrew Chuma

Bib: 30120•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:42
Rank: #10778
Start → 5K
23:42 | 7:38/mi
10K· 6.21 mi
44:30
Rank: #7502 (+3276)
5K → 10K
20:48 | 6:42/mi
15K· 9.32 mi
1:06:05
Rank: #7041 (+461)
10K → 15K
21:35 | 6:57/mi
20K· 12.43 mi
1:28:24
Rank: #7014 (+27)
15K → 20K
22:19 | 7:11/mi
Half· 13.11 mi
1:33:16
Rank: #7020 (-6)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:51:09
Rank: #7090 (-70)
Half → 25K
17:53 | 7:23/mi
30K· 18.64 mi
2:15:33
Rank: #7433 (-343)
25K → 30K
24:24 | 7:51/mi
20M
2:26:38
Rank: #7674 (-241)
30K → 20M
11:05 | 8:09/mi
21M
2:35:16
Rank: #7818 (-144)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:41:14
Rank: #7960 (-142)
21M → 35K
5:58 | 7:59/mi
23M
2:52:11
Rank: #8365 (-405)
35K → 23M
10:57 | 8:45/mi
24M
3:00:59
Rank: #8723 (-358)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:08:26
Rank: #8930 (-207)
24M → 40K
7:27 | 8:43/mi
25.2M
3:11:40
Rank: #9024 (-94)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:20:17
Rank: #9273 (-249)
25.2M → Finish
8:37 | 8:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:16
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:47:01
Pace8:10 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0323:427:3823:42
7:38
-
10K
6.21 mi12:05:5144:307:1020:48
6:42
-0:56
15K
9.32 mi12:27:261:06:057:0521:35
6:57
+0:15
20K
12.43 mi12:49:451:28:247:0722:19
7:11
+0:14
Half
13.11 mi12:54:371:33:167:074:52
7:08
-0:03
25K
15.53 mi13:12:301:51:097:0917:53
7:23
+0:15
30K
18.64 mi13:36:542:15:337:1624:24
7:51
+0:28
20M
20.00 mi13:47:592:26:387:2011:05
8:09
+0:18
21M
21.00 mi13:56:372:35:167:248:38
8:38
+0:29
35K
21.75 mi14:02:352:41:147:255:58
7:59
-0:39
23M
23.00 mi14:13:322:52:117:2910:57
8:45
+0:46
24M
24.00 mi14:22:203:00:597:328:48
8:48
+0:03
40K
24.85 mi14:29:473:08:267:357:27
8:43
-0:05
25.2M
25.20 mi14:33:013:11:407:363:14
9:23
+0:40
Finish
26.22 mi14:41:383:20:177:398:37
8:27
-0:56

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

6:42 /mi

Average Pace

7:39 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:27

44% of race

Time at Steady Pace

1:05:09

33% of race

Time at Slower Pace

47:41

24% of race

Average Pace: 7:38 /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 mi11:45:0323:427:3823:42
7:38
#10778
10K
6.21 mi12:05:5144:307:1020:48
6:42
#7502
15K
9.32 mi12:27:261:06:057:0521:35
6:57
#7041
20K
12.43 mi12:49:451:28:247:0722:19
7:11
#7014
Half
13.11 mi12:54:371:33:167:074:52
7:08
#7020
25K
15.53 mi13:12:301:51:097:0917:53
7:23
#7090
30K
18.64 mi13:36:542:15:337:1624:24
7:51
#7433
20M
20.00 mi13:47:592:26:387:2011:05
8:09
#7674
21M
21.00 mi13:56:372:35:167:248:38
8:38
#7818
35K
21.75 mi14:02:352:41:147:255:58
7:59
#7960
23M
23.00 mi14:13:322:52:117:2910:57
8:45
#8365
24M
24.00 mi14:22:203:00:597:328:48
8:48
#8723
40K
24.85 mi14:29:473:08:267:357:27
8:43
#8930
25.2M
25.20 mi14:33:013:11:407:363:14
9:23
#9024
Finish
26.22 mi14:41:383:20:177:398:37
8:27
#9273
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10778855085506250(Top 23%)5660(Top 37%)5660(Top 107%)
10K6.21 mi3.10 mi7502+32766637+19136637+19134299(Top 16%)4027(Top 27%)4027(Top 76%)
15K9.32 mi3.11 mi7041+4616285+3526285+3526250(Top 23%)5660(Top 37%)5660(Top 107%)
20K12.43 mi3.11 mi7014+276263+226263+226996(Top 26%)6212(Top 41%)6212(Top 118%)
Half13.11 mi0.68 mi7020-6626362637399(Top 28%)6519(Top 43%)6519(Top 123%)
25K15.53 mi2.42 mi7090-706301-386301-387815(Top 29%)6685(Top 44%)6685(Top 126%)
30K18.64 mi3.11 mi7433-3436518-2176518-2179755(Top 37%)7695(Top 51%)7695(Top 146%)
20M20.00 mi1.36 mi7674-2416650-1326650-13211358(Top 43%)8420(Top 55%)8420(Top 159%)
21M21.00 mi1.00 mi7818-1446730-806730-8011225(Top 42%)8215(Top 54%)8215(Top 155%)
35K21.75 mi0.75 mi7960-1426802-726802-7211887(Top 45%)8498(Top 56%)8498(Top 161%)
23M23.00 mi1.25 mi8365-4057041-2397041-23914633(Top 55%)9635(Top 63%)9635(Top 182%)
24M24.00 mi1.00 mi8723-3587236-1957236-19516156(Top 61%)10234(Top 67%)10234(Top 194%)
40K24.85 mi0.85 mi8930-2077333-977333-9714534(Top 55%)9459(Top 62%)9459(Top 179%)
25.2M25.20 mi0.35 mi9024-947387-547387-5414480(Top 54%)9436(Top 62%)9436(Top 179%)
Finish26.22 mi1.02 mi9273-2497497-1107497-11015083(Top 57%)9757(Top 64%)9757(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6250

Males

5660

M18-39

5660

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4299

Males

4027

M18-39

4027

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6250

Males

5660

M18-39

5660

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6996

Males

6212

M18-39

6212

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7399

Males

6519

M18-39

6519

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7815

Males

6685

M18-39

6685

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9755

Males

7695

M18-39

7695

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11358

Males

8420

M18-39

8420

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11225

Males

8215

M18-39

8215

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11887

Males

8498

M18-39

8498

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14633

Males

9635

M18-39

9635

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16156

Males

10234

M18-39

10234

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14534

Males

9459

M18-39

9459

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14480

Males

9436

M18-39

9436

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15083

Males

9757

M18-39

9757

Passing Analysis

Category:
Athletes Passed
4127*
Passed By
2622
Net Change
+1505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10778
5K → 10K3277*1+3276#10778#7502
10K → 15K47514+461#7502#7041
15K → 20K11184+27#7041#7014
20K → Half1723-6#7014#7020
Half → 25K66136-70#7020#7090
25K → 30K36379-343#7090#7433
30K → 20M24265-241#7433#7674
20M → 21M27171-144#7674#7818
21M → 35K16158-142#7818#7960
35K → 23M20425-405#7960#8365
23M → 24M16374-358#8365#8723
24M → 40K21228-207#8723#8930
40K → 25.2M7101-94#8930#9024
25.2M → Finish14263-249#9024#9273
TOTALS4127*2622+1505

* 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