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BOSTON MARATHON 2023

Alex Derr

Bib: 2709•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
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
20:51
Rank: #3775
Start → 5K
20:51 | 6:43/mi
10K· 6.21 mi
41:02
Rank: #3187 (+588)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:01:16
Rank: #3000 (+187)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:52
Rank: #3002 (-2)
15K → 20K
20:36 | 6:38/mi
Half· 13.11 mi
1:26:24
Rank: #3033 (-31)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:50
Rank: #3136 (-103)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:04:21
Rank: #3208 (-72)
25K → 30K
21:31 | 6:56/mi
20M
2:13:51
Rank: #3229 (-21)
30K → 20M
9:30 | 6:59/mi
21M
2:21:11
Rank: #3249 (-20)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:26:12
Rank: #3250 (-1)
21M → 35K
5:01 | 6:42/mi
23M
2:35:15
Rank: #3336 (-86)
35K → 23M
9:03 | 7:14/mi
24M
2:42:40
Rank: #3538 (-202)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
2:49:31
Rank: #3850 (-312)
24M → 40K
6:51 | 8:01/mi
25.2M
2:53:48
Rank: #4392 (-542)
40K → 25.2M
4:17 | 12:25/mi
Finish· 26.22 mi
3:02:39
Rank: #4751 (-359)
25.2M → Finish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:24
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5520:516:4320:51
6:43
-
10K
6.21 mi10:42:0641:026:3620:11
6:30
-0:13
15K
9.32 mi11:02:201:01:166:3420:14
6:31
+0:01
20K
12.43 mi11:22:561:21:526:3520:36
6:38
+0:07
Half
13.11 mi11:27:281:26:246:354:32
6:39
+0:01
25K
15.53 mi11:43:541:42:506:3716:26
6:47
+0:08
30K
18.64 mi12:05:252:04:216:4021:31
6:56
+0:09
20M
20.00 mi12:14:552:13:516:429:30
6:59
+0:03
21M
21.00 mi12:22:152:21:116:437:20
7:20
+0:21
35K
21.75 mi12:27:162:26:126:435:01
6:42
-0:38
23M
23.00 mi12:36:192:35:156:459:03
7:14
+0:32
24M
24.00 mi12:43:442:42:406:477:25
7:25
+0:11
40K
24.85 mi12:50:352:49:316:496:51
8:01
+0:36
25.2M
25.20 mi12:54:522:53:486:544:17
12:25
+4:24
Finish
26.22 mi13:03:433:02:396:588:51
8:41
-3:44

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

6:30 /mi

Average Pace

6:58 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:42:40

89% of race

Time at Slower Pace

19:59

11% of race

Average Pace: 6:58 /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 mi10:21:5520:516:4320:51
6:43
#3775
10K
6.21 mi10:42:0641:026:3620:11
6:30
#3187
15K
9.32 mi11:02:201:01:166:3420:14
6:31
#3000
20K
12.43 mi11:22:561:21:526:3520:36
6:38
#3002
Half
13.11 mi11:27:281:26:246:354:32
6:39
#3033
25K
15.53 mi11:43:541:42:506:3716:26
6:47
#3136
30K
18.64 mi12:05:252:04:216:4021:31
6:56
#3208
20M
20.00 mi12:14:552:13:516:429:30
6:59
#3229
21M
21.00 mi12:22:152:21:116:437:20
7:20
#3249
35K
21.75 mi12:27:162:26:126:435:01
6:42
#3250
23M
23.00 mi12:36:192:35:156:459:03
7:14
#3336
24M
24.00 mi12:43:442:42:406:477:25
7:25
#3538
40K
24.85 mi12:50:352:49:316:496:51
8:01
#3850
25.2M
25.20 mi12:54:522:53:486:544:17
12:25
#4392
Finish
26.22 mi13:03:433:02:396:588:51
8:41
#4751
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3775354935492726(Top 10%)2605(Top 17%)2605(Top 49%)
10K6.21 mi3.10 mi3187+5883025+5243025+5242774(Top 10%)2652(Top 17%)2652(Top 50%)
15K9.32 mi3.11 mi3000+1872860+1652860+1652726(Top 10%)2605(Top 17%)2605(Top 49%)
20K12.43 mi3.11 mi3002-22865-52865-53061(Top 11%)2916(Top 19%)2916(Top 55%)
Half13.11 mi0.68 mi3033-312895-302895-303860(Top 14%)3644(Top 24%)3644(Top 69%)
25K15.53 mi2.42 mi3136-1032987-922987-923959(Top 15%)3720(Top 25%)3720(Top 70%)
30K18.64 mi3.11 mi3208-723053-663053-663845(Top 14%)3604(Top 24%)3604(Top 68%)
20M20.00 mi1.36 mi3229-213067-143067-143989(Top 15%)3705(Top 24%)3705(Top 70%)
21M21.00 mi1.00 mi3249-203079-123079-123801(Top 14%)3524(Top 23%)3524(Top 67%)
35K21.75 mi0.75 mi3250-13078+13078+13637(Top 14%)3371(Top 22%)3371(Top 64%)
23M23.00 mi1.25 mi3336-863159-813159-814929(Top 19%)4412(Top 29%)4412(Top 83%)
24M24.00 mi1.00 mi3538-2023343-1843343-1847120(Top 27%)5770(Top 38%)5770(Top 109%)
40K24.85 mi0.85 mi3850-3123616-2733616-27310075(Top 38%)7356(Top 48%)7356(Top 139%)
25.2M25.20 mi0.35 mi4392-5424098-4824098-48223125(Top 87%)13365(Top 88%)13365(Top 253%)
Finish26.22 mi1.02 mi4751-3594388-2904388-29016368(Top 61%)10313(Top 68%)10313(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2726

Males

2605

M18-39

2605

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2774

Males

2652

M18-39

2652

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2726

Males

2605

M18-39

2605

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3061

Males

2916

M18-39

2916

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3860

Males

3644

M18-39

3644

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3959

Males

3720

M18-39

3720

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3845

Males

3604

M18-39

3604

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3989

Males

3705

M18-39

3705

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3801

Males

3524

M18-39

3524

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3637

Males

3371

M18-39

3371

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4929

Males

4412

M18-39

4412

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7120

Males

5770

M18-39

5770

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10075

Males

7356

M18-39

7356

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23125

Males

13365

M18-39

13365

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16368

Males

10313

M18-39

10313

Passing Analysis

Category:
Athletes Passed
1196
Passed By
2172
Net Change
-976
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3775
5K → 10K60921+588#3775#3187
10K → 15K21629+187#3187#3000
15K → 20K8284-2#3000#3002
20K → Half839-31#3002#3033
Half → 25K33136-103#3033#3136
25K → 30K73145-72#3136#3208
30K → 20M5172-21#3208#3229
20M → 21M3959-20#3229#3249
21M → 35K2930-1#3249#3250
35K → 23M36122-86#3250#3336
23M → 24M4206-202#3336#3538
24M → 40K10322-312#3538#3850
40K → 25.2M1543-542#3850#4392
25.2M → Finish5364-359#4392#4751
TOTALS11962172-976
📊

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