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BOSTON MARATHON 2023

Allen Alexander

Bib: 11333•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M50-54)
#0 / 2052
Top 35%
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
7:40/mi
23:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
47:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:10:14
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:33:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:38:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:56:50
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:21:30
↑ 181↓ 1480.2%
20M
7:54/mi
2:32:14
↑ 64↓ 500.2%
21M
8:21/mi
2:40:35
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:46:04
↑ 17↓ 861.7%
23M
7:38/mi
2:55:38
↑ 23↓ 630.6%
24M
7:22/mi
3:03:00
↓ 821.3%
40K· 24.85 mi
7:30/mi
3:09:25
↓ 200.3%
25.2M
8:22/mi
3:12:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:19:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:28
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:41:18
Pace7:44 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5023:507:4023:50
7:40
-
10K
6.21 mi11:14:1647:167:3623:26
7:33
-0:07
15K
9.32 mi11:37:141:10:147:3222:58
7:24
-0:09
20K
12.43 mi12:00:261:33:267:3123:12
7:28
+0:04
Half
13.11 mi12:05:281:38:287:315:02
7:23
-0:05
25K
15.53 mi12:23:501:56:507:3118:22
7:35
+0:12
30K
18.64 mi12:48:302:21:307:3524:40
7:56
+0:21
20M
20.00 mi12:59:142:32:147:3710:44
7:54
-0:02
21M
21.00 mi13:07:352:40:357:398:21
8:21
+0:27
35K
21.75 mi13:13:042:46:047:385:29
7:20
-1:01
23M
23.00 mi13:22:382:55:387:389:34
7:38
+0:18
24M
24.00 mi13:30:003:03:007:387:22
7:22
-0:16
40K
24.85 mi13:36:253:09:257:376:25
7:30
+0:08
25.2M
25.20 mi13:39:183:12:187:382:53
8:22
+0:52
Finish
26.22 mi13:46:463:19:467:377:28
7:20
-1:02

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

7:20 /mi

Average Pace

7:37 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:32

94% of race

Time at Steady Pace

11:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:50:5023:507:4023:50
7:40
#11186
10K
6.21 mi11:14:1647:167:3623:26
7:33
#10963
15K
9.32 mi11:37:141:10:147:3222:58
7:24
#10375
20K
12.43 mi12:00:261:33:267:3123:12
7:28
#9994
Half
13.11 mi12:05:281:38:287:315:02
7:23
#9945
25K
15.53 mi12:23:501:56:507:3118:22
7:35
#9816
30K
18.64 mi12:48:302:21:307:3524:40
7:56
#9910
20M
20.00 mi12:59:142:32:147:3710:44
7:54
#9828
21M
21.00 mi13:07:352:40:357:398:21
8:21
#9782
35K
21.75 mi13:13:042:46:047:385:29
7:20
#9690
23M
23.00 mi13:22:382:55:387:389:34
7:38
#9505
24M
24.00 mi13:30:003:03:007:387:22
7:22
#9339
40K
24.85 mi13:36:253:09:257:376:25
7:30
#9210
25.2M
25.20 mi13:39:183:12:187:382:53
8:22
#9196
Finish
26.22 mi13:46:463:19:467:377:28
7:20
#9124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11186874187419260(Top 35%)7708(Top 51%)7708(Top 376%)
10K6.21 mi3.10 mi10963+2238644+978644+9710803(Top 41%)8581(Top 57%)8581(Top 418%)
15K9.32 mi3.11 mi10375+5888361+2838361+2839260(Top 35%)7708(Top 51%)7708(Top 376%)
20K12.43 mi3.11 mi9994+3818148+2138148+2139048(Top 34%)7529(Top 50%)7529(Top 367%)
Half13.11 mi0.68 mi9945+498117+318117+319193(Top 35%)7628(Top 50%)7628(Top 372%)
25K15.53 mi2.42 mi9816+1298031+868031+869343(Top 35%)7631(Top 50%)7631(Top 372%)
30K18.64 mi3.11 mi9910-948043-128043-1210414(Top 39%)8041(Top 53%)8041(Top 392%)
20M20.00 mi1.36 mi9828+827975+687975+689529(Top 36%)7482(Top 49%)7482(Top 365%)
21M21.00 mi1.00 mi9782+467925+507925+509505(Top 36%)7343(Top 48%)7343(Top 358%)
35K21.75 mi0.75 mi9690+927859+667859+667330(Top 28%)6103(Top 40%)6103(Top 297%)
23M23.00 mi1.25 mi9505+1857723+1367723+1367368(Top 28%)6048(Top 40%)6048(Top 295%)
24M24.00 mi1.00 mi9339+1667598+1257598+1256837(Top 26%)5626(Top 37%)5626(Top 274%)
40K24.85 mi0.85 mi9210+1297491+1077491+1076769(Top 25%)5506(Top 36%)5506(Top 268%)
25.2M25.20 mi0.35 mi9196+147473+187473+188631(Top 32%)6532(Top 43%)6532(Top 318%)
Finish26.22 mi1.02 mi9124+727412+617412+617298(Top 27%)5753(Top 38%)5753(Top 280%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9260

Males

7708

M50-54

7708

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10803

Males

8581

M50-54

8581

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9260

Males

7708

M50-54

7708

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9048

Males

7529

M50-54

7529

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9193

Males

7628

M50-54

7628

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9343

Males

7631

M50-54

7631

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10414

Males

8041

M50-54

8041

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9529

Males

7482

M50-54

7482

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9505

Males

7343

M50-54

7343

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7330

Males

6103

M50-54

6103

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7368

Males

6048

M50-54

6048

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6837

Males

5626

M50-54

5626

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6769

Males

5506

M50-54

5506

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8631

Males

6532

M50-54

6532

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7298

Males

5753

M50-54

5753

Passing Analysis

Category:
Athletes Passed
2768*
Passed By
706
Net Change
+2062
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11186
5K → 10K436213+223#11186#10963
10K → 15K61426+588#10963#10375
15K → 20K409*28+381#10375#9994
20K → Half556+49#9994#9945
Half → 25K177*48+129#9945#9816
25K → 30K119*213-94#9816#9910
30K → 20M12543+82#9910#9828
20M → 21M10155+46#9828#9782
21M → 35K975+92#9782#9690
35K → 23M19611+185#9690#9505
23M → 24M1704+166#9505#9339
24M → 40K14617+129#9339#9210
40K → 25.2M2915+14#9210#9196
25.2M → Finish9422+72#9196#9124
TOTALS2768*706+2062

* 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