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BOSTON MARATHON 2023

Tony Herndon

Bib: 8054•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M50-54)
#0 / 2052
Top 8%
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
6:26/mi
20:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:27/mi
40:03
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:00:39
↑ 67↓ 78
20K· 12.43 mi
6:48/mi
1:21:48
↑ 106↓ 860.1%
Half· 13.11 mi
6:45/mi
1:26:24
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:43:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:16/mi
2:05:50
↑ 181↓ 1480.2%
20M
7:16/mi
2:15:43
↑ 64↓ 500.2%
21M
7:35/mi
2:23:18
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:28:37
↑ 17↓ 861.7%
23M
7:08/mi
2:37:33
↑ 23↓ 630.6%
24M
6:56/mi
2:44:29
↓ 821.3%
40K· 24.85 mi
7:10/mi
2:50:37
↓ 200.3%
25.2M
7:47/mi
2:53:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:04/mi
3:00:30
↑ 22↓ 21

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
Time1:34:06
Pace7:11 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:0620:006:2620:00
6:26
-
10K
6.21 mi11:05:0940:036:2720:03
6:27
+0:01
15K
9.32 mi11:25:451:00:396:3020:36
6:38
+0:11
20K
12.43 mi11:46:541:21:486:3521:09
6:48
+0:10
Half
13.11 mi11:51:301:26:246:354:36
6:45
-0:03
25K
15.53 mi12:08:211:43:156:3916:51
6:57
+0:12
30K
18.64 mi12:30:562:05:506:4522:35
7:16
+0:19
20M
20.00 mi12:40:492:15:436:479:53
7:16
0:00
21M
21.00 mi12:48:242:23:186:497:35
7:35
+0:19
35K
21.75 mi12:53:432:28:376:505:19
7:06
-0:29
23M
23.00 mi13:02:392:37:336:518:56
7:08
+0:02
24M
24.00 mi13:09:352:44:296:516:56
6:56
-0:12
40K
24.85 mi13:15:432:50:376:526:08
7:10
+0:14
25.2M
25.20 mi13:18:242:53:186:532:41
7:47
+0:37
Finish
26.22 mi13:25:363:00:306:537:12
7:04
-0:43

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

6:26 /mi

Average Pace

6:53 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:24

48% of race

Time at Steady Pace

51:22

28% of race

Time at Slower Pace

42:44

24% of race

Average Pace: 6:53 /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 mi10:45:0620:006:2620:00
6:26
#1980
10K
6.21 mi11:05:0940:036:2720:03
6:27
#2217
15K
9.32 mi11:25:451:00:396:3020:36
6:38
#2572
20K
12.43 mi11:46:541:21:486:3521:09
6:48
#2952
Half
13.11 mi11:51:301:26:246:354:36
6:45
#3032
25K
15.53 mi12:08:211:43:156:3916:51
6:57
#3330
30K
18.64 mi12:30:562:05:506:4522:35
7:16
#3855
20M
20.00 mi12:40:492:15:436:479:53
7:16
#4020
21M
21.00 mi12:48:242:23:186:497:35
7:35
#4086
35K
21.75 mi12:53:432:28:376:505:19
7:06
#4173
23M
23.00 mi13:02:392:37:336:518:56
7:08
#4187
24M
24.00 mi13:09:352:44:296:516:56
6:56
#4224
40K
24.85 mi13:15:432:50:376:526:08
7:10
#4233
25.2M
25.20 mi13:18:242:53:186:532:41
7:47
#4251
Finish
26.22 mi13:25:363:00:306:537:12
7:04
#4309
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi1980189018903551(Top 13%)3358(Top 22%)3358(Top 164%)
10K6.21 mi3.10 mi2217-2372121-2312121-2312522(Top 9%)2411(Top 16%)2411(Top 117%)
15K9.32 mi3.11 mi2572-3552458-3372458-3373551(Top 13%)3358(Top 22%)3358(Top 164%)
20K12.43 mi3.11 mi2952-3802819-3612819-3614501(Top 17%)4197(Top 28%)4197(Top 205%)
Half13.11 mi0.68 mi3032-802894-752894-754723(Top 18%)4385(Top 29%)4385(Top 214%)
25K15.53 mi2.42 mi3330-2983168-2743168-2745271(Top 20%)4858(Top 32%)4858(Top 237%)
30K18.64 mi3.11 mi3855-5253635-4673635-4675855(Top 22%)5264(Top 35%)5264(Top 257%)
20M20.00 mi1.36 mi4020-1653780-1453780-1455458(Top 21%)4889(Top 32%)4889(Top 238%)
21M21.00 mi1.00 mi4086-663833-533833-534974(Top 19%)4452(Top 29%)4452(Top 217%)
35K21.75 mi0.75 mi4173-873907-743907-745889(Top 22%)5142(Top 34%)5142(Top 251%)
23M23.00 mi1.25 mi4187-143921-143921-144468(Top 17%)4054(Top 27%)4054(Top 198%)
24M24.00 mi1.00 mi4224-373954-333954-334329(Top 16%)3921(Top 26%)3921(Top 191%)
40K24.85 mi0.85 mi4233-93959-53959-54724(Top 18%)4151(Top 27%)4151(Top 202%)
25.2M25.20 mi0.35 mi4251-183971-123971-125222(Top 20%)4402(Top 29%)4402(Top 215%)
Finish26.22 mi1.02 mi4309-584020-494020-495587(Top 21%)4641(Top 31%)4641(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3551

Males

3358

M50-54

3358

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2522

Males

2411

M50-54

2411

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3551

Males

3358

M50-54

3358

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4501

Males

4197

M50-54

4197

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4723

Males

4385

M50-54

4385

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5271

Males

4858

M50-54

4858

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5855

Males

5264

M50-54

5264

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5458

Males

4889

M50-54

4889

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

4974

Males

4452

M50-54

4452

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5889

Males

5142

M50-54

5142

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4468

Males

4054

M50-54

4054

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4329

Males

3921

M50-54

3921

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4724

Males

4151

M50-54

4151

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5222

Males

4402

M50-54

4402

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5587

Males

4641

M50-54

4641

Passing Analysis

Category:
Athletes Passed
363
Passed By
2692
Net Change
-2329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1980
5K → 10K29266-237#1980#2217
10K → 15K9364-355#2217#2572
15K → 20K14394-380#2572#2952
20K → Half282-80#2952#3032
Half → 25K15313-298#3032#3330
25K → 30K12537-525#3330#3855
30K → 20M23188-165#3855#4020
20M → 21M54120-66#4020#4086
21M → 35K15102-87#4086#4173
35K → 23M5569-14#4173#4187
23M → 24M4077-37#4187#4224
24M → 40K5261-9#4224#4233
40K → 25.2M1331-18#4233#4251
25.2M → Finish3088-58#4251#4309
TOTALS3632692-2329
📊

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