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BOSTON MARATHON 2023

Warren Delong

Bib: 4961•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Division (M18-39)
#0 / 5285
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
6:38/mi
20:36
↑ 97↓ 3451.5%
10K· 6.21 mi
6:33/mi
40:58
↑ 79↓ 1380.4%
15K· 9.32 mi
6:35/mi
1:01:26
↑ 67↓ 78
20K· 12.43 mi
6:38/mi
1:22:04
↑ 106↓ 860.1%
Half· 13.11 mi
6:31/mi
1:26:31
↑ 19↓ 370.5%
25K· 15.53 mi
6:37/mi
1:42:34
↑ 66↓ 880.2%
30K· 18.64 mi
6:47/mi
2:03:39
↑ 181↓ 1480.2%
20M
7:06/mi
2:13:18
↑ 64↓ 500.2%
21M
7:41/mi
2:20:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:26:32
↑ 17↓ 861.7%
23M
8:29/mi
2:37:09
↑ 23↓ 630.6%
24M
8:12/mi
2:45:21
↓ 821.3%
40K· 24.85 mi
8:43/mi
2:52:48
↓ 200.3%
25.2M
10:06/mi
2:56:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:04:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:31
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:38:08
Pace7:29 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4520:366:3820:36
6:38
-
10K
6.21 mi10:43:0740:586:3620:22
6:33
-0:05
15K
9.32 mi11:03:351:01:266:3520:28
6:35
+0:02
20K
12.43 mi11:24:131:22:046:3620:38
6:38
+0:03
Half
13.11 mi11:28:401:26:316:364:27
6:31
-0:07
25K
15.53 mi11:44:431:42:346:3616:03
6:37
+0:06
30K
18.64 mi12:05:482:03:396:3821:05
6:47
+0:10
20M
20.00 mi12:15:272:13:186:409:39
7:06
+0:19
21M
21.00 mi12:23:082:20:596:437:41
7:41
+0:35
35K
21.75 mi12:28:412:26:326:445:33
7:25
-0:16
23M
23.00 mi12:39:182:37:096:5010:37
8:29
+1:04
24M
24.00 mi12:47:302:45:216:538:12
8:12
-0:17
40K
24.85 mi12:54:572:52:486:577:27
8:43
+0:31
25.2M
25.20 mi12:58:262:56:177:003:29
10:06
+1:23
Finish
26.22 mi13:06:483:04:397:038:22
8:13
-1:53

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

6:31 /mi

Average Pace

7:03 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:17

25% of race

Time at Steady Pace

1:33:34

51% of race

Time at Slower Pace

45:48

25% of race

Average Pace: 7:03 /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 mi10:22:4520:366:3820:36
6:38
#3094
10K
6.21 mi10:43:0740:586:3620:22
6:33
#3113
15K
9.32 mi11:03:351:01:266:3520:28
6:35
#3134
20K
12.43 mi11:24:131:22:046:3620:38
6:38
#3109
Half
13.11 mi11:28:401:26:316:364:27
6:31
#3094
25K
15.53 mi11:44:431:42:346:3616:03
6:37
#3022
30K
18.64 mi12:05:482:03:396:3821:05
6:47
#2936
20M
20.00 mi12:15:272:13:186:409:39
7:06
#3038
21M
21.00 mi12:23:082:20:596:437:41
7:41
#3183
35K
21.75 mi12:28:412:26:326:445:33
7:25
#3347
23M
23.00 mi12:39:182:37:096:5010:37
8:29
#4047
24M
24.00 mi12:47:302:45:216:538:12
8:12
#4491
40K
24.85 mi12:54:572:52:486:577:27
8:43
#4795
25.2M
25.20 mi12:58:262:56:177:003:29
10:06
#4974
Finish
26.22 mi13:06:483:04:397:038:22
8:13
#5178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3094293029303206(Top 12%)3052(Top 20%)3052(Top 58%)
10K6.21 mi3.10 mi3113-192961-312961-313173(Top 12%)3025(Top 20%)3025(Top 57%)
15K9.32 mi3.11 mi3134-212985-242985-243206(Top 12%)3052(Top 20%)3052(Top 58%)
20K12.43 mi3.11 mi3109+252964+212964+213124(Top 12%)2971(Top 20%)2971(Top 56%)
Half13.11 mi0.68 mi3094+152949+152949+152985(Top 11%)2860(Top 19%)2860(Top 54%)
25K15.53 mi2.42 mi3022+722885+642885+642831(Top 11%)2707(Top 18%)2707(Top 51%)
30K18.64 mi3.11 mi2936+862805+802805+802899(Top 11%)2749(Top 18%)2749(Top 52%)
20M20.00 mi1.36 mi3038-1022895-902895-904634(Top 17%)4253(Top 28%)4253(Top 80%)
21M21.00 mi1.00 mi3183-1453020-1253020-1255509(Top 21%)4835(Top 32%)4835(Top 91%)
35K21.75 mi0.75 mi3347-1643168-1483168-1487859(Top 30%)6394(Top 42%)6394(Top 121%)
23M23.00 mi1.25 mi4047-7003793-6253793-62513049(Top 49%)8921(Top 59%)8921(Top 169%)
24M24.00 mi1.00 mi4491-4444189-3964189-39612540(Top 47%)8630(Top 57%)8630(Top 163%)
40K24.85 mi0.85 mi4795-3044437-2484437-24814529(Top 55%)9454(Top 62%)9454(Top 179%)
25.2M25.20 mi0.35 mi4974-1794581-1444581-14417699(Top 66%)10858(Top 72%)10858(Top 205%)
Finish26.22 mi1.02 mi5178-2044742-1614742-16113451(Top 51%)8983(Top 59%)8983(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3206

Males

3052

M18-39

3052

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3173

Males

3025

M18-39

3025

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3206

Males

3052

M18-39

3052

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3124

Males

2971

M18-39

2971

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

2985

Males

2860

M18-39

2860

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

2831

Males

2707

M18-39

2707

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

2899

Males

2749

M18-39

2749

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4634

Males

4253

M18-39

4253

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5509

Males

4835

M18-39

4835

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7859

Males

6394

M18-39

6394

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13049

Males

8921

M18-39

8921

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12540

Males

8630

M18-39

8630

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14529

Males

9454

M18-39

9454

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17699

Males

10858

M18-39

10858

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13451

Males

8983

M18-39

8983

Passing Analysis

Category:
Athletes Passed
641
Passed By
2725
Net Change
-2084
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3094
5K → 10K142161-19#3094#3113
10K → 15K80101-21#3113#3134
15K → 20K10580+25#3134#3109
20K → Half249+15#3109#3094
Half → 25K9422+72#3094#3022
25K → 30K12741+86#3022#2936
30K → 20M21123-102#2936#3038
20M → 21M13158-145#3038#3183
21M → 35K6170-164#3183#3347
35K → 23M4704-700#3347#4047
23M → 24M5449-444#4047#4491
24M → 40K10314-304#4491#4795
40K → 25.2M0179-179#4795#4974
25.2M → Finish10214-204#4974#5178
TOTALS6412725-2084
📊

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