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BOSTON MARATHON 2023

Marty Natterer

Bib: 12241•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M55-59)
#0 / 1422
Top 22%
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
7:27/mi
23:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
46:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:20
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:32:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:59
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:56:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:20:32
↑ 181↓ 1480.2%
20M
7:57/mi
2:31:20
↑ 64↓ 500.2%
21M
8:21/mi
2:39:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:45:21
↑ 17↓ 861.7%
23M
8:08/mi
2:55:32
↑ 23↓ 630.6%
24M
8:05/mi
3:03:37
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:10:45
↓ 200.3%
25.2M
8:54/mi
3:13:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:22:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:59
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:44:21
Pace7:58 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1223:107:2723:10
7:27
-
10K
6.21 mi11:14:0946:077:2522:57
7:23
-0:04
15K
9.32 mi11:37:221:09:207:2623:13
7:28
+0:05
20K
12.43 mi12:00:571:32:557:2923:35
7:35
+0:07
Half
13.11 mi12:06:011:37:597:285:04
7:26
-0:09
25K
15.53 mi12:24:241:56:227:2918:23
7:35
+0:09
30K
18.64 mi12:48:342:20:327:3224:10
7:47
+0:12
20M
20.00 mi12:59:222:31:207:3410:48
7:57
+0:10
21M
21.00 mi13:07:432:39:417:368:21
8:21
+0:24
35K
21.75 mi13:13:232:45:217:365:40
7:34
-0:47
23M
23.00 mi13:23:342:55:327:3810:11
8:08
+0:34
24M
24.00 mi13:31:393:03:377:398:05
8:05
-0:03
40K
24.85 mi13:38:473:10:457:407:08
8:21
+0:16
25.2M
25.20 mi13:41:513:13:497:413:04
8:54
+0:33
Finish
26.22 mi13:50:223:22:207:438:31
8:21
-0:33

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

7:23 /mi

Average Pace

7:43 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:24

37% of race

Time at Steady Pace

1:22:36

41% of race

Time at Slower Pace

45:20

22% of race

Average Pace: 7:43 /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 mi10:51:1223:107:2723:10
7:27
#9268
10K
6.21 mi11:14:0946:077:2522:57
7:23
#9348
15K
9.32 mi11:37:221:09:207:2623:13
7:28
#9509
20K
12.43 mi12:00:571:32:557:2923:35
7:35
#9621
Half
13.11 mi12:06:011:37:597:285:04
7:26
#9618
25K
15.53 mi12:24:241:56:227:2918:23
7:35
#9562
30K
18.64 mi12:48:342:20:327:3224:10
7:47
#9474
20M
20.00 mi12:59:222:31:207:3410:48
7:57
#9501
21M
21.00 mi13:07:432:39:417:368:21
8:21
#9467
35K
21.75 mi13:13:232:45:217:365:40
7:34
#9434
23M
23.00 mi13:23:342:55:327:3810:11
8:08
#9463
24M
24.00 mi13:31:393:03:377:398:05
8:05
#9559
40K
24.85 mi13:38:473:10:457:407:08
8:21
#9622
25.2M
25.20 mi13:41:513:13:497:413:04
8:54
#9646
Finish
26.22 mi13:50:223:22:207:438:31
8:21
#9836
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9268774477449942(Top 37%)8114(Top 53%)8114(Top 571%)
10K6.21 mi3.10 mi9348-807789-457789-459490(Top 36%)7862(Top 52%)7862(Top 553%)
15K9.32 mi3.11 mi9509-1617877-887877-889942(Top 37%)8114(Top 53%)8114(Top 571%)
20K12.43 mi3.11 mi9621-1127935-587935-5810008(Top 38%)8076(Top 53%)8076(Top 568%)
Half13.11 mi0.68 mi9618+37933+27933+29589(Top 36%)7870(Top 52%)7870(Top 553%)
25K15.53 mi2.42 mi9562+567877+567877+569397(Top 35%)7663(Top 50%)7663(Top 539%)
30K18.64 mi3.11 mi9474+887786+917786+919196(Top 35%)7389(Top 49%)7389(Top 520%)
20M20.00 mi1.36 mi9501-277782+47782+49869(Top 37%)7680(Top 51%)7680(Top 540%)
21M21.00 mi1.00 mi9467+347734+487734+489511(Top 36%)7349(Top 48%)7349(Top 517%)
35K21.75 mi0.75 mi9434+337698+367698+369076(Top 34%)7119(Top 47%)7119(Top 501%)
23M23.00 mi1.25 mi9463-297702-47702-410678(Top 40%)7802(Top 51%)7802(Top 549%)
24M24.00 mi1.00 mi9559-967724-227724-2211785(Top 44%)8285(Top 55%)8285(Top 583%)
40K24.85 mi0.85 mi9622-637733-97733-912294(Top 46%)8450(Top 56%)8450(Top 594%)
25.2M25.20 mi0.35 mi9646-247727+67727+611801(Top 44%)8144(Top 54%)8144(Top 573%)
Finish26.22 mi1.02 mi9836-1907802-757802-7514411(Top 54%)9431(Top 62%)9431(Top 663%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9942

Males

8114

M55-59

8114

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9490

Males

7862

M55-59

7862

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9942

Males

8114

M55-59

8114

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10008

Males

8076

M55-59

8076

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9589

Males

7870

M55-59

7870

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9397

Males

7663

M55-59

7663

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9196

Males

7389

M55-59

7389

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9869

Males

7680

M55-59

7680

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9511

Males

7349

M55-59

7349

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9076

Males

7119

M55-59

7119

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10678

Males

7802

M55-59

7802

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11785

Males

8285

M55-59

8285

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12294

Males

8450

M55-59

8450

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11801

Males

8144

M55-59

8144

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14411

Males

9431

M55-59

9431

Passing Analysis

Category:
Athletes Passed
1271*
Passed By
1839
Net Change
-568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9268
5K → 10K230310-80#9268#9348
10K → 15K103264-161#9348#9509
15K → 20K106218-112#9509#9621
20K → Half2320+3#9621#9618
Half → 25K15195+56#9618#9562
25K → 30K214*126+88#9562#9474
30K → 20M74101-27#9474#9501
20M → 21M9359+34#9501#9467
21M → 35K6532+33#9467#9434
35K → 23M76105-29#9434#9463
23M → 24M38134-96#9463#9559
24M → 40K42*105-63#9559#9622
40K → 25.2M3357-24#9622#9646
25.2M → Finish23213-190#9646#9836
TOTALS1271*1839-568

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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