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BOSTON MARATHON 2023

Aaron Townley

Bib: 1588•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 43%
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
6:28/mi
20:06
↑ 97↓ 3451.5%
10K· 6.21 mi
6:28/mi
40:13
↑ 79↓ 1380.4%
15K· 9.32 mi
6:31/mi
1:00:27
↑ 67↓ 78
20K· 12.43 mi
6:36/mi
1:20:57
↑ 106↓ 860.1%
Half· 13.11 mi
6:28/mi
1:25:22
↑ 19↓ 370.5%
25K· 15.53 mi
6:38/mi
1:41:28
↑ 66↓ 880.2%
30K· 18.64 mi
6:45/mi
2:02:26
↑ 181↓ 1480.2%
20M
6:52/mi
2:11:46
↑ 64↓ 500.2%
21M
7:22/mi
2:19:08
↑ 106↓ 241.6%
35K· 21.75 mi
6:44/mi
2:24:10
↑ 17↓ 861.7%
23M
7:04/mi
2:33:01
↑ 23↓ 630.6%
24M
7:02/mi
2:40:03
↓ 821.3%
40K· 24.85 mi
7:19/mi
2:46:18
↓ 200.3%
25.2M
8:10/mi
2:49:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
2:57:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:22
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:31:44
Pace7:00 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4120:066:2820:06
6:28
-
10K
6.21 mi10:40:4840:136:2820:07
6:28
0:00
15K
9.32 mi11:01:021:00:276:2920:14
6:31
+0:03
20K
12.43 mi11:21:321:20:576:3120:30
6:36
+0:05
Half
13.11 mi11:25:571:25:226:314:25
6:28
-0:08
25K
15.53 mi11:42:031:41:286:3216:06
6:38
+0:10
30K
18.64 mi12:03:012:02:266:3420:58
6:45
+0:07
20M
20.00 mi12:12:212:11:466:359:20
6:52
+0:07
21M
21.00 mi12:19:432:19:086:387:22
7:22
+0:30
35K
21.75 mi12:24:452:24:106:385:02
6:44
-0:38
23M
23.00 mi12:33:362:33:016:398:51
7:04
+0:20
24M
24.00 mi12:40:382:40:036:407:02
7:02
-0:02
40K
24.85 mi12:46:532:46:186:416:15
7:19
+0:17
25.2M
25.20 mi12:49:422:49:076:432:49
8:10
+0:51
Finish
26.22 mi12:57:412:57:066:467:59
7:50
-0:20

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

6:28 /mi

Average Pace

6:46 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:38

25% of race

Time at Steady Pace

1:32:10

52% of race

Time at Slower Pace

40:18

23% of race

Average Pace: 6:45 /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 mi10:20:4120:066:2820:06
6:28
#2123
10K
6.21 mi10:40:4840:136:2820:07
6:28
#2340
15K
9.32 mi11:01:021:00:276:2920:14
6:31
#2470
20K
12.43 mi11:21:321:20:576:3120:30
6:36
#2529
Half
13.11 mi11:25:571:25:226:314:25
6:28
#2530
25K
15.53 mi11:42:031:41:286:3216:06
6:38
#2580
30K
18.64 mi12:03:012:02:266:3420:58
6:45
#2564
20M
20.00 mi12:12:212:11:466:359:20
6:52
#2589
21M
21.00 mi12:19:432:19:086:387:22
7:22
#2606
35K
21.75 mi12:24:452:24:106:385:02
6:44
#2614
23M
23.00 mi12:33:362:33:016:398:51
7:04
#2672
24M
24.00 mi12:40:382:40:036:407:02
7:02
#2760
40K
24.85 mi12:46:532:46:186:416:15
7:19
#2860
25.2M
25.20 mi12:49:422:49:076:432:49
8:10
#2922
Finish
26.22 mi12:57:412:57:066:467:59
7:50
#3218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2123202620262721(Top 10%)2600(Top 17%)2600(Top 49%)
10K6.21 mi3.10 mi2340-2172234-2082234-2082650(Top 10%)2534(Top 17%)2534(Top 48%)
15K9.32 mi3.11 mi2470-1302360-1262360-1262721(Top 10%)2600(Top 17%)2600(Top 49%)
20K12.43 mi3.11 mi2529-592420-602420-602840(Top 11%)2714(Top 18%)2714(Top 51%)
Half13.11 mi0.68 mi2530-12423-32423-32656(Top 10%)2550(Top 17%)2550(Top 48%)
25K15.53 mi2.42 mi2580-502468-452468-452952(Top 11%)2819(Top 19%)2819(Top 53%)
30K18.64 mi3.11 mi2564+162451+172451+172690(Top 10%)2554(Top 17%)2554(Top 48%)
20M20.00 mi1.36 mi2589-252473-222473-223219(Top 12%)3016(Top 20%)3016(Top 57%)
21M21.00 mi1.00 mi2606-172494-212494-213943(Top 15%)3635(Top 24%)3635(Top 69%)
35K21.75 mi0.75 mi2614-82499-52499-53687(Top 14%)3404(Top 22%)3404(Top 64%)
23M23.00 mi1.25 mi2672-582553-542553-544115(Top 15%)3771(Top 25%)3771(Top 71%)
24M24.00 mi1.00 mi2760-882630-772630-774815(Top 18%)4284(Top 28%)4284(Top 81%)
40K24.85 mi0.85 mi2860-1002718-882718-885472(Top 21%)4659(Top 31%)4659(Top 88%)
25.2M25.20 mi0.35 mi2922-622773-552773-557370(Top 28%)5770(Top 38%)5770(Top 109%)
Finish26.22 mi1.02 mi3218-2963044-2713044-27110880(Top 41%)7717(Top 51%)7717(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2721

Males

2600

M18-39

2600

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2650

Males

2534

M18-39

2534

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2721

Males

2600

M18-39

2600

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

2840

Males

2714

M18-39

2714

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2656

Males

2550

M18-39

2550

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

2952

Males

2819

M18-39

2819

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2690

Males

2554

M18-39

2554

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3219

Males

3016

M18-39

3016

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

3943

Males

3635

M18-39

3635

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3687

Males

3404

M18-39

3404

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4115

Males

3771

M18-39

3771

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4815

Males

4284

M18-39

4284

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5472

Males

4659

M18-39

4659

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7370

Males

5770

M18-39

5770

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10880

Males

7717

M18-39

7717

Passing Analysis

Category:
Athletes Passed
388
Passed By
1483
Net Change
-1095
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2123
5K → 10K44261-217#2123#2340
10K → 15K35165-130#2340#2470
15K → 20K4099-59#2470#2529
20K → Half1011-1#2529#2530
Half → 25K3484-50#2530#2580
25K → 30K7155+16#2580#2564
30K → 20M3156-25#2564#2589
20M → 21M2845-17#2589#2606
21M → 35K1725-8#2606#2614
35K → 23M3290-58#2614#2672
23M → 24M24112-88#2672#2760
24M → 40K14114-100#2760#2860
40K → 25.2M769-62#2860#2922
25.2M → Finish1297-296#2922#3218
TOTALS3881483-1095
📊

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