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BOSTON MARATHON 2023

Nathan Searles

CA

Bib: 8471 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
37:31/mi
1:56:32
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:10/mi
2:18:48
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:24/mi
2:41:47
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:52/mi
3:06:14
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:34/mi
3:11:24
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:43/mi
3:30:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:42/mi
3:54:03
↑ 181↓ 1480.2%
138 ft elev
20M
7:41/mi
4:04:29
↑ 64↓ 500.2%
148 ft elev
21M
8:18/mi
4:12:47
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:04/mi
4:18:04
↑ 17↓ 861.7%
156 ft elev
23M
7:30/mi
4:27:28
↑ 23↓ 630.6%
116 ft elev
24M
7:41/mi
4:35:09
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:45/mi
4:41:47
↓ 200.3%
20 ft elev
25.2M
8:04/mi
4:44:34
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:24/mi
4:52:06
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time3:11:24
Pace14:36 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:42
Pace7:41 /mi
📊Negative Split: 47.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:21:331:56:3237:311:56:32
37:31
-
10K
6.21 mi12:43:492:18:4822:2022:16
7:10
-30:21
15K
9.32 mi13:06:482:41:4717:2122:59
7:24
+0:14
20K
12.43 mi13:31:153:06:1414:5924:27
7:52
+0:28
Half
13.11 mi13:36:253:11:2414:365:10
7:34
-0:18
25K
15.53 mi13:55:083:30:0713:3218:43
7:43
+0:09
30K
18.64 mi14:19:043:54:0312:3323:56
7:42
-0:01
20M
20.00 mi14:29:304:04:2912:1310:26
7:41
-0:01
21M
21.00 mi14:37:484:12:4712:028:18
8:18
+0:37
35K
21.75 mi14:43:054:18:0411:525:17
7:04
-1:14
23M
23.00 mi14:52:294:27:2811:389:24
7:30
+0:26
24M
24.00 mi15:00:104:35:0911:287:41
7:41
+0:11
40K
24.85 mi15:06:484:41:4711:206:38
7:45
+0:04
25.2M
25.20 mi15:09:354:44:3411:182:47
8:04
+0:19
Finish
26.22 mi15:17:074:52:0611:097:32
7:24
-0:40

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

7:04 /mi

Average Pace

11:09 /mi

Slowest Pace

37:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:55:34

60% of race

Time at Slower Pace

1:56:32

40% of race

Average Pace: 11:08 /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 mi12:21:331:56:3237:311:56:32
37:31
#26622
10K
6.21 mi12:43:492:18:4822:2022:16
7:10
#26622
15K
9.32 mi13:06:482:41:4717:2122:59
7:24
#26622
20K
12.43 mi13:31:153:06:1414:5924:27
7:52
#26619
Half
13.11 mi13:36:253:11:2414:365:10
7:34
#26616
25K
15.53 mi13:55:083:30:0713:3218:43
7:43
#26590
30K
18.64 mi14:19:043:54:0312:3323:56
7:42
#26165
20M
20.00 mi14:29:304:04:2912:1310:26
7:41
#25870
21M
21.00 mi14:37:484:12:4712:028:18
8:18
#25632
35K
21.75 mi14:43:054:18:0411:525:17
7:04
#25449
23M
23.00 mi14:52:294:27:2811:389:24
7:30
#25132
24M
24.00 mi15:00:104:35:0911:287:41
7:41
#24915
40K
24.85 mi15:06:484:41:4711:206:38
7:45
#24657
25.2M
25.20 mi15:09:354:44:3411:182:47
8:04
#24558
Finish
26.22 mi15:17:074:52:0611:097:32
7:24
#24320
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2662215176151769324(Top 35%)7760(Top 51%)7760(Top 345%)
10K6.21 mi3.10 mi2662215176151767884(Top 30%)6864(Top 45%)6864(Top 305%)
15K9.32 mi3.11 mi2662215176151769324(Top 35%)7760(Top 51%)7760(Top 345%)
20K12.43 mi3.11 mi26619+315174+215174+212331(Top 46%)9167(Top 60%)9167(Top 407%)
Half13.11 mi0.68 mi26616+315171+315171+310828(Top 41%)8554(Top 56%)8554(Top 380%)
25K15.53 mi2.42 mi26590+2615154+1715154+1710453(Top 39%)8237(Top 54%)8237(Top 366%)
30K18.64 mi3.11 mi26165+42514987+16714987+1678664(Top 33%)7081(Top 47%)7081(Top 314%)
20M20.00 mi1.36 mi25870+29514866+12114866+1218028(Top 30%)6618(Top 44%)6618(Top 294%)
21M21.00 mi1.00 mi25632+23814761+10514761+1059239(Top 35%)7211(Top 48%)7211(Top 320%)
35K21.75 mi0.75 mi25449+18314668+9314668+935717(Top 21%)5048(Top 33%)5048(Top 224%)
23M23.00 mi1.25 mi25132+31714516+15214516+1526472(Top 24%)5494(Top 36%)5494(Top 244%)
24M24.00 mi1.00 mi24915+21714413+10314413+1038982(Top 34%)6896(Top 45%)6896(Top 306%)
40K24.85 mi0.85 mi24657+25814294+11914294+1198398(Top 32%)6504(Top 43%)6504(Top 289%)
25.2M25.20 mi0.35 mi24558+9914245+4914245+496938(Top 26%)5570(Top 37%)5570(Top 247%)
Finish26.22 mi1.02 mi24320+23814140+10514140+1057746(Top 29%)6032(Top 40%)6032(Top 268%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9324

Males

7760

M45-49

7760

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7884

Males

6864

M45-49

6864

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9324

Males

7760

M45-49

7760

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12331

Males

9167

M45-49

9167

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10828

Males

8554

M45-49

8554

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10453

Males

8237

M45-49

8237

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8664

Males

7081

M45-49

7081

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8028

Males

6618

M45-49

6618

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9239

Males

7211

M45-49

7211

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5717

Males

5048

M45-49

5048

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6472

Males

5494

M45-49

5494

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

8982

Males

6896

M45-49

6896

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8398

Males

6504

M45-49

6504

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6938

Males

5570

M45-49

5570

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7746

Males

6032

M45-49

6032

Passing Analysis

Category:
Athletes Passed
2302
Passed By
0
Net Change
+2302
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26622
5K → 10K000#26622#26622
10K → 15K000#26622#26622
15K → 20K30+3#26622#26619
20K → Half30+3#26619#26616
Half → 25K260+26#26616#26590
25K → 30K4250+425#26590#26165
30K → 20M2950+295#26165#25870
20M → 21M2380+238#25870#25632
21M → 35K1830+183#25632#25449
35K → 23M3170+317#25449#25132
23M → 24M2170+217#25132#24915
24M → 40K2580+258#24915#24657
40K → 25.2M990+99#24657#24558
25.2M → Finish2380+238#24558#24320
TOTALS23020+2302
📊

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