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BOSTON MARATHON 2023

Nathan Straathof

Bib: 2922•M

TX

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0:00
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:51
Rank: #3744
Start → 5K
20:51 | 6:43/mi
10K· 6.21 mi
41:23
Rank: #3600 (+144)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:01:34
Rank: #3232 (+368)
10K → 15K
20:11 | 6:30/mi
20K· 12.43 mi
1:21:44
Rank: #2908 (+324)
15K → 20K
20:10 | 6:29/mi
Half· 13.11 mi
1:26:10
Rank: #2893 (+15)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:41:49
Rank: #2703 (+190)
Half → 25K
15:39 | 6:27/mi
30K· 18.64 mi
2:01:43
Rank: #2370 (+333)
25K → 30K
19:54 | 6:24/mi
20M
2:10:32
Rank: #2280 (+90)
30K → 20M
8:49 | 6:30/mi
21M
2:17:02
Rank: #2128 (+152)
20M → 21M
6:30 | 6:30/mi
35K· 21.75 mi
2:21:43
Rank: #2086 (+42)
21M → 35K
4:41 | 6:16/mi
23M
2:29:35
Rank: #1952 (+134)
35K → 23M
7:52 | 6:17/mi
24M
2:35:44
Rank: #1874 (+78)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:41:03
Rank: #1803 (+71)
24M → 40K
5:19 | 6:13/mi
25.2M
2:43:21
Rank: #1768 (+35)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:49:32
Rank: #1701 (+67)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:10
Pace6:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:23:22
Pace6:22 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5220:516:4320:51
6:43
-
10K
6.21 mi10:42:2441:236:4020:32
6:37
-0:06
15K
9.32 mi11:02:351:01:346:3620:11
6:30
-0:07
20K
12.43 mi11:22:451:21:446:3520:10
6:29
-0:01
Half
13.11 mi11:27:111:26:106:344:26
6:30
+0:01
25K
15.53 mi11:42:501:41:496:3315:39
6:27
-0:03
30K
18.64 mi12:02:442:01:436:3219:54
6:24
-0:03
20M
20.00 mi12:11:332:10:326:328:49
6:30
+0:06
21M
21.00 mi12:18:032:17:026:326:30
6:30
0:00
35K
21.75 mi12:22:442:21:436:314:41
6:16
-0:14
23M
23.00 mi12:30:362:29:356:307:52
6:17
+0:01
24M
24.00 mi12:36:452:35:446:296:09
6:09
-0:08
40K
24.85 mi12:42:042:41:036:295:19
6:13
+0:04
25.2M
25.20 mi12:44:222:43:216:292:18
6:40
+0:27
Finish
26.22 mi12:50:332:49:326:286:11
6:04
-0:36

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

6:04 /mi

Average Pace

6:28 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:41

88% of race

Time at Steady Pace

20:51

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:21:5220:516:4320:51
6:43
#3744
10K
6.21 mi10:42:2441:236:4020:32
6:37
#3600
15K
9.32 mi11:02:351:01:346:3620:11
6:30
#3232
20K
12.43 mi11:22:451:21:446:3520:10
6:29
#2908
Half
13.11 mi11:27:111:26:106:344:26
6:30
#2893
25K
15.53 mi11:42:501:41:496:3315:39
6:27
#2703
30K
18.64 mi12:02:442:01:436:3219:54
6:24
#2370
20M
20.00 mi12:11:332:10:326:328:49
6:30
#2280
21M
21.00 mi12:18:032:17:026:326:30
6:30
#2128
35K
21.75 mi12:22:442:21:436:314:41
6:16
#2086
23M
23.00 mi12:30:362:29:356:307:52
6:17
#1952
24M
24.00 mi12:36:452:35:446:296:09
6:09
#1874
40K
24.85 mi12:42:042:41:036:295:19
6:13
#1803
25.2M
25.20 mi12:44:222:43:216:292:18
6:40
#1768
Finish
26.22 mi12:50:332:49:326:286:11
6:04
#1701
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3744351835182601(Top 10%)2490(Top 16%)2490(Top 47%)
10K6.21 mi3.10 mi3600+1443395+1233395+1233544(Top 13%)3350(Top 22%)3350(Top 63%)
15K9.32 mi3.11 mi3232+3683075+3203075+3202601(Top 10%)2490(Top 16%)2490(Top 47%)
20K12.43 mi3.11 mi2908+3242778+2972778+2972218(Top 8%)2128(Top 14%)2128(Top 40%)
Half13.11 mi0.68 mi2893+152761+172761+172714(Top 10%)2598(Top 17%)2598(Top 49%)
25K15.53 mi2.42 mi2703+1902582+1792582+1791963(Top 7%)1879(Top 12%)1879(Top 36%)
30K18.64 mi3.11 mi2370+3332271+3112271+3111225(Top 5%)1169(Top 8%)1169(Top 22%)
20M20.00 mi1.36 mi2280+902187+842187+841431(Top 5%)1362(Top 9%)1362(Top 26%)
21M21.00 mi1.00 mi2128+1522039+1482039+148631(Top 2%)595(Top 4%)595(Top 11%)
35K21.75 mi0.75 mi2086+422000+392000+391442(Top 5%)1368(Top 9%)1368(Top 26%)
23M23.00 mi1.25 mi1952+1341871+1291871+129802(Top 3%)761(Top 5%)761(Top 14%)
24M24.00 mi1.00 mi1874+781794+771794+77890(Top 3%)845(Top 6%)845(Top 16%)
40K24.85 mi0.85 mi1803+711725+691725+69707(Top 3%)670(Top 4%)670(Top 13%)
25.2M25.20 mi0.35 mi1768+351689+361689+36849(Top 3%)810(Top 5%)810(Top 15%)
Finish26.22 mi1.02 mi1701+671625+641625+64907(Top 3%)867(Top 6%)867(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2601

Males

2490

M18-39

2490

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3544

Males

3350

M18-39

3350

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2601

Males

2490

M18-39

2490

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2218

Males

2128

M18-39

2128

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2714

Males

2598

M18-39

2598

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1963

Males

1879

M18-39

1879

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1225

Males

1169

M18-39

1169

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1431

Males

1362

M18-39

1362

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

631

Males

595

M18-39

595

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1442

Males

1368

M18-39

1368

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

802

Males

761

M18-39

761

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

890

Males

845

M18-39

845

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

707

Males

670

M18-39

670

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

849

Males

810

M18-39

810

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

907

Males

867

M18-39

867

Passing Analysis

Category:
Athletes Passed
2227
Passed By
184
Net Change
+2043
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3744
5K → 10K283139+144#3744#3600
10K → 15K37911+368#3600#3232
15K → 20K3251+324#3232#2908
20K → Half249+15#2908#2893
Half → 25K1933+190#2893#2703
25K → 30K3341+333#2703#2370
30K → 20M933+90#2370#2280
20M → 21M1520+152#2280#2128
21M → 35K442+42#2128#2086
35K → 23M1340+134#2086#1952
23M → 24M780+78#1952#1874
24M → 40K754+71#1874#1803
40K → 25.2M383+35#1803#1768
25.2M → Finish758+67#1768#1701
TOTALS2227184+2043
📊

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