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BOSTON MARATHON 2023

Joshua Nieves

Bib: 2535•M

KS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
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
6:33/mi
20:22
↑ 97↓ 3451.5%
10K· 6.21 mi
6:27/mi
40:24
↑ 79↓ 1380.4%
15K· 9.32 mi
6:31/mi
1:00:40
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:22:05
↑ 106↓ 860.1%
Half· 13.11 mi
6:52/mi
1:26:46
↑ 19↓ 370.5%
25K· 15.53 mi
7:21/mi
1:44:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:09:59
↑ 181↓ 1480.2%
20M
9:09/mi
2:22:25
↑ 64↓ 500.2%
21M
10:03/mi
2:32:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
2:39:10
↑ 17↓ 861.7%
23M
10:05/mi
2:51:48
↑ 23↓ 630.6%
24M
11:26/mi
3:03:14
↓ 821.3%
40K· 24.85 mi
13:15/mi
3:14:34
↓ 200.3%
25.2M
10:35/mi
3:18:13
↑ 13↓ 160.2%
Finish· 26.22 mi
10:21/mi
3:28:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:46
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time2:02:00
Pace9:18 /mi
📊Positive Split: 40.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0920:226:3320:22
6:33
-
10K
6.21 mi10:41:1140:246:3020:02
6:27
-0:06
15K
9.32 mi11:01:271:00:406:3120:16
6:31
+0:04
20K
12.43 mi11:22:521:22:056:3621:25
6:54
+0:23
Half
13.11 mi11:27:331:26:466:374:41
6:52
-0:02
25K
15.53 mi11:45:231:44:366:4417:50
7:21
+0:29
30K
18.64 mi12:10:462:09:596:5825:23
8:10
+0:49
20M
20.00 mi12:23:122:22:257:0712:26
9:09
+0:59
21M
21.00 mi12:33:152:32:287:1610:03
10:03
+0:54
35K
21.75 mi12:39:572:39:107:196:42
8:57
-1:06
23M
23.00 mi12:52:352:51:487:2812:38
10:05
+1:08
24M
24.00 mi13:04:013:03:147:3811:26
11:26
+1:21
40K
24.85 mi13:15:213:14:347:5011:20
13:15
+1:49
25.2M
25.20 mi13:19:003:18:137:523:39
10:35
-2:40
Finish
26.22 mi13:29:333:28:467:5810:33
10:21
-0:14

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

6:27 /mi

Average Pace

7:58 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:36

50% of race

Time at Steady Pace

44:31

21% of race

Time at Slower Pace

59:39

29% of race

Average Pace: 7:58 /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 mi10:21:0920:226:3320:22
6:33
#2592
10K
6.21 mi10:41:1140:246:3020:02
6:27
#2514
15K
9.32 mi11:01:271:00:406:3120:16
6:31
#2587
20K
12.43 mi11:22:521:22:056:3621:25
6:54
#3122
Half
13.11 mi11:27:331:26:466:374:41
6:52
#3224
25K
15.53 mi11:45:231:44:366:4417:50
7:21
#4081
30K
18.64 mi12:10:462:09:596:5825:23
8:10
#5657
20M
20.00 mi12:23:122:22:257:0712:26
9:09
#6354
21M
21.00 mi12:33:152:32:287:1610:03
10:03
#6928
35K
21.75 mi12:39:572:39:107:196:42
8:57
#7295
23M
23.00 mi12:52:352:51:487:2812:38
10:05
#8223
24M
24.00 mi13:04:013:03:147:3811:26
11:26
#9440
40K
24.85 mi13:15:213:14:347:5011:20
13:15
#10858
25.2M
25.20 mi13:19:003:18:137:523:39
10:35
#11050
Finish
26.22 mi13:29:333:28:467:5810:33
10:21
#11881
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2592247124712789(Top 10%)2665(Top 18%)2665(Top 50%)
10K6.21 mi3.10 mi2514+782397+742397+742491(Top 9%)2382(Top 16%)2382(Top 45%)
15K9.32 mi3.11 mi2587-732472-752472-752789(Top 10%)2665(Top 18%)2665(Top 50%)
20K12.43 mi3.11 mi3122-5352974-5022974-5025311(Top 20%)4904(Top 32%)4904(Top 93%)
Half13.11 mi0.68 mi3224-1023068-943068-945822(Top 22%)5354(Top 35%)5354(Top 101%)
25K15.53 mi2.42 mi4081-8573834-7663834-7667664(Top 29%)6588(Top 43%)6588(Top 125%)
30K18.64 mi3.11 mi5657-15765191-13575191-135712121(Top 46%)8849(Top 58%)8849(Top 167%)
20M20.00 mi1.36 mi6354-6975723-5325723-53217286(Top 65%)10931(Top 72%)10931(Top 207%)
21M21.00 mi1.00 mi6928-5746140-4176140-41718181(Top 68%)11291(Top 74%)11291(Top 214%)
35K21.75 mi0.75 mi7295-3676372-2326372-23217687(Top 66%)10995(Top 72%)10995(Top 208%)
23M23.00 mi1.25 mi8223-9286946-5746946-57420231(Top 76%)12110(Top 80%)12110(Top 229%)
24M24.00 mi1.00 mi9440-12177655-7097655-70923769(Top 89%)13705(Top 90%)13705(Top 259%)
40K24.85 mi0.85 mi10858-14188361-7068361-70625142(Top 94%)14370(Top 95%)14370(Top 272%)
25.2M25.20 mi0.35 mi11050-1928443-828443-8219301(Top 73%)11592(Top 76%)11592(Top 219%)
Finish26.22 mi1.02 mi11881-8318810-3678810-36722673(Top 85%)13158(Top 87%)13158(Top 249%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2789

Males

2665

M18-39

2665

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2491

Males

2382

M18-39

2382

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2789

Males

2665

M18-39

2665

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5311

Males

4904

M18-39

4904

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5822

Males

5354

M18-39

5354

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7664

Males

6588

M18-39

6588

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12121

Males

8849

M18-39

8849

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17286

Males

10931

M18-39

10931

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18181

Males

11291

M18-39

11291

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17687

Males

10995

M18-39

10995

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20231

Males

12110

M18-39

12110

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23769

Males

13705

M18-39

13705

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25142

Males

14370

M18-39

14370

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19301

Males

11592

M18-39

11592

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22673

Males

13158

M18-39

13158

Passing Analysis

Category:
Athletes Passed
282
Passed By
9569
Net Change
-9289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2592
5K → 10K188110+78#2592#2514
10K → 15K46119-73#2514#2587
15K → 20K7542-535#2587#3122
20K → Half1103-102#3122#3224
Half → 25K7864-857#3224#4081
25K → 30K41580-1576#4081#5657
30K → 20M3700-697#5657#6354
20M → 21M5579-574#6354#6928
21M → 35K1368-367#6928#7295
35K → 23M5933-928#7295#8223
23M → 24M31220-1217#8223#9440
24M → 40K01416-1418#9440#10858
40K → 25.2M6198-192#10858#11050
25.2M → Finish6837-831#11050#11881
TOTALS2829569-9289
📊

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