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BOSTON MARATHON 2023

Nathan Waggenspack

OH

Bib: 2670 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:32/mi
20:18
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:18/mi
39:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:15/mi
59:15
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:20/mi
1:18:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:18/mi
1:23:15
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:22/mi
1:38:42
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:28/mi
1:58:46
↑ 181↓ 1480.2%
138 ft elev
20M
6:33/mi
2:07:40
↑ 64↓ 500.2%
148 ft elev
21M
6:57/mi
2:14:37
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:45/mi
2:19:40
↑ 17↓ 861.7%
156 ft elev
23M
7:03/mi
2:28:30
↑ 23↓ 630.6%
116 ft elev
24M
6:56/mi
2:35:26
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:09/mi
2:41:33
↓ 200.3%
20 ft elev
25.2M
7:53/mi
2:44:16
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:09/mi
2:51:33
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:23:156:21 /mi⚡ faster
2nd Half
1:28:186:44 /mi+6.1%
Positive split — 6.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1420:186:3220:18
6:32
-
10K
6.21 mi10:40:4739:516:2519:33
6:18
-0:14
15K
9.32 mi11:00:1159:156:2119:24
6:15
-0:03
20K
12.43 mi11:19:531:18:576:2119:42
6:20
+0:05
Half
13.11 mi11:24:111:23:156:214:18
6:18
-0:02
25K
15.53 mi11:39:381:38:426:2115:27
6:22
+0:04
30K
18.64 mi11:59:421:58:466:2220:04
6:28
+0:06
20M
20.00 mi12:08:362:07:406:238:54
6:33
+0:05
21M
21.00 mi12:15:332:14:376:256:57
6:57
+0:24
35K
21.75 mi12:20:362:19:406:255:03
6:45
-0:12
23M
23.00 mi12:29:262:28:306:278:50
7:03
+0:18
24M
24.00 mi12:36:222:35:266:296:56
6:56
-0:07
40K
24.85 mi12:42:292:41:336:306:07
7:09
+0:13
25.2M
25.20 mi12:45:122:44:166:312:43
7:53
+0:44
Finish
26.22 mi12:52:292:51:336:337:17
7:09
-0:44

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

6:15 /mi

Average Pace

6:33 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

43:15

25% of race

Time at Steady Pace

1:29:28

52% of race

Time at Slower Pace

38:50

23% of race

Average Pace: 6:33 /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 mi10:21:1420:186:3220:18
6:32
#2452
10K
6.21 mi10:40:4739:516:2519:33
6:18
#2054
15K
9.32 mi11:00:1159:156:2119:24
6:15
#1820
20K
12.43 mi11:19:531:18:576:2119:42
6:20
#1733
Half
13.11 mi11:24:111:23:156:214:18
6:18
#1731
25K
15.53 mi11:39:381:38:426:2115:27
6:22
#1721
30K
18.64 mi11:59:421:58:466:2220:04
6:28
#1634
20M
20.00 mi12:08:362:07:406:238:54
6:33
#1623
21M
21.00 mi12:15:332:14:376:256:57
6:57
#1610
35K
21.75 mi12:20:362:19:406:255:03
6:45
#1649
23M
23.00 mi12:29:262:28:306:278:50
7:03
#1747
24M
24.00 mi12:36:222:35:266:296:56
6:56
#1827
40K
24.85 mi12:42:292:41:336:306:07
7:09
#1894
25.2M
25.20 mi12:45:122:44:166:312:43
7:53
#1931
Finish
26.22 mi12:52:292:51:336:337:17
7:09
#2026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi245223382338141013431343
10K6.21 mi3.10 mi2054+3981969+3691969+369174716711671
15K9.32 mi3.11 mi1820+2341741+2281741+228141013431343
20K12.43 mi3.11 mi1733+871659+821659+82157115021502
Half13.11 mi0.68 mi1731+21655+41655+4180017291729
25K15.53 mi2.42 mi1721+101648+71648+7162115511551
30K18.64 mi3.11 mi1634+871564+841564+84141713571357
20M20.00 mi1.36 mi1623+111552+121552+12165715811581
21M21.00 mi1.00 mi1610+131539+131539+13193118311831
35K21.75 mi0.75 mi1649-391576-371576-37380534993499
23M23.00 mi1.25 mi1747-981672-961672-96402136973697
24M24.00 mi1.00 mi1827-801747-751747-75430438963896
40K24.85 mi0.85 mi1894-671811-641811-64460640574057
25.2M25.20 mi0.35 mi1931-371847-361847-36568347034703
Finish26.22 mi1.02 mi2026-951942-951942-95604949564956

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1410

Males

1343

M18-39

1343

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1747

Males

1671

M18-39

1671

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1410

Males

1343

M18-39

1343

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1571

Males

1502

M18-39

1502

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1800

Males

1729

M18-39

1729

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1621

Males

1551

M18-39

1551

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1417

Males

1357

M18-39

1357

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1657

Males

1581

M18-39

1581

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1931

Males

1831

M18-39

1831

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3805

Males

3499

M18-39

3499

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4021

Males

3697

M18-39

3697

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4304

Males

3896

M18-39

3896

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4606

Males

4057

M18-39

4057

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5683

Males

4703

M18-39

4703

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6049

Males

4956

M18-39

4956

Passing Analysis

Category:
Athletes Passed
998
Passed By
572
Net Change
+426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2452
5K → 10K41214+398#2452#2054
10K → 15K2373+234#2054#1820
15K → 20K969+87#1820#1733
20K → Half119+2#1733#1731
Half → 25K3828+10#1731#1721
25K → 30K10316+87#1721#1634
30K → 20M2413+11#1634#1623
20M → 21M3320+13#1623#1610
21M → 35K443-39#1610#1649
35K → 23M9107-98#1649#1747
23M → 24M989-80#1747#1827
24M → 40K976-67#1827#1894
40K → 25.2M340-37#1894#1931
25.2M → Finish10105-95#1931#2026
TOTALS998572+426

Passing Charts

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