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BOSTON MARATHON 2023

Scott Henderson

Bib: 8064•M

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 33%
Masters (Masters Men)
#0 / 9891
Top 19%
Division (M45-49)
#0 / 2252
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:39
Rank: #3207
Start → 5K
20:39 | 6:39/mi
10K· 6.21 mi
41:41
Rank: #4068 (-861)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:02:55
Rank: #4515 (-447)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:24:32
Rank: #4869 (-354)
15K → 20K
21:37 | 6:57/mi
Half· 13.11 mi
1:29:11
Rank: #4892 (-23)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:10
Rank: #5042 (-150)
Half → 25K
16:59 | 7:00/mi
30K· 18.64 mi
2:08:51
Rank: #5275 (-233)
25K → 30K
22:41 | 7:18/mi
20M
2:18:58
Rank: #5339 (-64)
30K → 20M
10:07 | 7:27/mi
21M
2:27:01
Rank: #5422 (-83)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:32:18
Rank: #5403 (+19)
21M → 35K
5:17 | 7:04/mi
23M
2:41:41
Rank: #5392 (+11)
35K → 23M
9:23 | 7:30/mi
24M
2:49:07
Rank: #5428 (-36)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:55:44
Rank: #5476 (-48)
24M → 40K
6:37 | 7:44/mi
25.2M
2:58:33
Rank: #5467 (+9)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:05:56
Rank: #5454 (+13)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:11
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:36:45
Pace7:23 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4520:396:3920:39
6:39
-
10K
6.21 mi11:06:4741:416:4221:02
6:46
+0:07
15K
9.32 mi11:28:011:02:556:4521:14
6:50
+0:04
20K
12.43 mi11:49:381:24:326:4821:37
6:57
+0:07
Half
13.11 mi11:54:171:29:116:484:39
6:49
-0:08
25K
15.53 mi12:11:161:46:106:5016:59
7:00
+0:11
30K
18.64 mi12:33:572:08:516:5522:41
7:18
+0:18
20M
20.00 mi12:44:042:18:586:5710:07
7:27
+0:09
21M
21.00 mi12:52:072:27:017:008:03
8:03
+0:36
35K
21.75 mi12:57:242:32:187:005:17
7:04
-0:59
23M
23.00 mi13:06:472:41:417:029:23
7:30
+0:26
24M
24.00 mi13:14:132:49:077:037:26
7:26
-0:04
40K
24.85 mi13:20:502:55:447:046:37
7:44
+0:18
25.2M
25.20 mi13:23:392:58:337:052:49
8:10
+0:26
Finish
26.22 mi13:31:023:05:567:067:23
7:15
-0:55

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

6:39 /mi

Average Pace

7:06 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:10

57% of race

Time at Steady Pace

52:54

28% of race

Time at Slower Pace

26:52

14% of race

Average Pace: 7:05 /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 mi10:45:4520:396:3920:39
6:39
#3207
10K
6.21 mi11:06:4741:416:4221:02
6:46
#4068
15K
9.32 mi11:28:011:02:556:4521:14
6:50
#4515
20K
12.43 mi11:49:381:24:326:4821:37
6:57
#4869
Half
13.11 mi11:54:171:29:116:484:39
6:49
#4892
25K
15.53 mi12:11:161:46:106:5016:59
7:00
#5042
30K
18.64 mi12:33:572:08:516:5522:41
7:18
#5275
20M
20.00 mi12:44:042:18:586:5710:07
7:27
#5339
21M
21.00 mi12:52:072:27:017:008:03
8:03
#5422
35K
21.75 mi12:57:242:32:187:005:17
7:04
#5403
23M
23.00 mi13:06:472:41:417:029:23
7:30
#5392
24M
24.00 mi13:14:132:49:077:037:26
7:26
#5428
40K
24.85 mi13:20:502:55:447:046:37
7:44
#5476
25.2M
25.20 mi13:23:392:58:337:052:49
8:10
#5467
Finish
26.22 mi13:31:023:05:567:067:23
7:15
#5454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3207302930295431(Top 20%)5008(Top 33%)5008(Top 222%)
10K6.21 mi3.10 mi4068-8613824-7953824-7954998(Top 19%)4630(Top 31%)4630(Top 206%)
15K9.32 mi3.11 mi4515-4474219-3954219-3955431(Top 20%)5008(Top 33%)5008(Top 222%)
20K12.43 mi3.11 mi4869-3544534-3154534-3155701(Top 21%)5228(Top 34%)5228(Top 232%)
Half13.11 mi0.68 mi4892-234552-184552-185395(Top 20%)4978(Top 33%)4978(Top 221%)
25K15.53 mi2.42 mi5042-1504681-1294681-1295598(Top 21%)5144(Top 34%)5144(Top 228%)
30K18.64 mi3.11 mi5275-2334875-1944875-1946021(Top 23%)5377(Top 35%)5377(Top 239%)
20M20.00 mi1.36 mi5339-644924-494924-496411(Top 24%)5580(Top 37%)5580(Top 248%)
21M21.00 mi1.00 mi5422-834985-614985-617615(Top 29%)6241(Top 41%)6241(Top 277%)
35K21.75 mi0.75 mi5403+194962+234962+235658(Top 21%)4989(Top 33%)4989(Top 222%)
23M23.00 mi1.25 mi5392+114945+174945+176366(Top 24%)5416(Top 36%)5416(Top 240%)
24M24.00 mi1.00 mi5428-364967-224967-227230(Top 27%)5843(Top 39%)5843(Top 259%)
40K24.85 mi0.85 mi5476-484995-284995-288182(Top 31%)6346(Top 42%)6346(Top 282%)
25.2M25.20 mi0.35 mi5467+94984+114984+117406(Top 28%)5806(Top 38%)5806(Top 258%)
Finish26.22 mi1.02 mi5454+134967+174967+176698(Top 25%)5371(Top 35%)5371(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5431

Males

5008

M45-49

5008

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4998

Males

4630

M45-49

4630

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5431

Males

5008

M45-49

5008

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5701

Males

5228

M45-49

5228

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5395

Males

4978

M45-49

4978

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5598

Males

5144

M45-49

5144

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6021

Males

5377

M45-49

5377

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6411

Males

5580

M45-49

5580

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7615

Males

6241

M45-49

6241

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5658

Males

4989

M45-49

4989

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6366

Males

5416

M45-49

5416

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7230

Males

5843

M45-49

5843

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8182

Males

6346

M45-49

6346

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7406

Males

5806

M45-49

5806

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6698

Males

5371

M45-49

5371

Passing Analysis

Category:
Athletes Passed
571
Passed By
2818
Net Change
-2247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3207
5K → 10K19880-861#3207#4068
10K → 15K38485-447#4068#4515
15K → 20K24378-354#4515#4869
20K → Half1134-23#4869#4892
Half → 25K67217-150#4892#5042
25K → 30K67300-233#5042#5275
30K → 20M44108-64#5275#5339
20M → 21M34117-83#5339#5422
21M → 35K4223+19#5422#5403
35K → 23M7059+11#5403#5392
23M → 24M4076-36#5392#5428
24M → 40K3078-48#5428#5476
40K → 25.2M2617+9#5476#5467
25.2M → Finish5946+13#5467#5454
TOTALS5712818-2247
📊

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