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BOSTON MARATHON 2023

Eli Baldy

Bib: 31180•M

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
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
7:19/mi
22:45
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
43:57
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:05:01
↑ 67↓ 78
20K· 12.43 mi
6:48/mi
1:26:09
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:30:48
↑ 19↓ 370.5%
25K· 15.53 mi
6:42/mi
1:47:02
↑ 66↓ 880.2%
30K· 18.64 mi
6:41/mi
2:07:49
↑ 181↓ 1480.2%
20M
6:42/mi
2:16:55
↑ 64↓ 500.2%
21M
7:05/mi
2:24:00
↑ 106↓ 241.6%
35K· 21.75 mi
6:32/mi
2:28:53
↑ 17↓ 861.7%
23M
7:01/mi
2:37:40
↑ 23↓ 630.6%
24M
6:56/mi
2:44:36
↓ 821.3%
40K· 24.85 mi
7:02/mi
2:50:37
↓ 200.3%
25.2M
7:27/mi
2:53:11
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:59:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:48
Pace6:56 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:1522:457:1922:45
7:19
-
10K
6.21 mi12:02:2743:577:0421:12
6:49
-0:30
15K
9.32 mi12:23:311:05:016:5921:04
6:47
-0:02
20K
12.43 mi12:44:391:26:096:5621:08
6:48
+0:01
Half
13.11 mi12:49:181:30:486:564:39
6:49
+0:01
25K
15.53 mi13:05:321:47:026:5316:14
6:42
-0:07
30K
18.64 mi13:26:192:07:496:5120:47
6:41
-0:01
20M
20.00 mi13:35:252:16:556:519:06
6:42
+0:01
21M
21.00 mi13:42:302:24:006:517:05
7:05
+0:23
35K
21.75 mi13:47:232:28:536:514:53
6:32
-0:33
23M
23.00 mi13:56:102:37:406:518:47
7:01
+0:29
24M
24.00 mi14:03:062:44:366:526:56
6:56
-0:05
40K
24.85 mi14:09:072:50:376:526:01
7:02
+0:06
25.2M
25.20 mi14:11:412:53:116:522:34
7:27
+0:25
Finish
26.22 mi14:18:232:59:536:526:42
6:34
-0:53

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

6:32 /mi

Average Pace

6:52 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:34

86% of race

Time at Steady Pace

25:19

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi11:41:1522:457:1922:45
7:19
#8236
10K
6.21 mi12:02:2743:577:0421:12
6:49
#6928
15K
9.32 mi12:23:311:05:016:5921:04
6:47
#6350
20K
12.43 mi12:44:391:26:096:5621:08
6:48
#5931
Half
13.11 mi12:49:181:30:486:564:39
6:49
#5892
25K
15.53 mi13:05:321:47:026:5316:14
6:42
#5512
30K
18.64 mi13:26:192:07:496:5120:47
6:41
#4801
20M
20.00 mi13:35:252:16:556:519:06
6:42
#4546
21M
21.00 mi13:42:302:24:006:517:05
7:05
#4380
35K
21.75 mi13:47:232:28:536:514:53
6:32
#4265
23M
23.00 mi13:56:102:37:406:518:47
7:01
#4222
24M
24.00 mi14:03:062:44:366:526:56
6:56
#4264
40K
24.85 mi14:09:072:50:376:526:01
7:02
#4232
25.2M
25.20 mi14:11:412:53:116:522:34
7:27
#4212
Finish
26.22 mi14:18:232:59:536:526:42
6:34
#4161
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8236712071204920(Top 18%)4571(Top 30%)4571(Top 86%)
10K6.21 mi3.10 mi6928+13086208+9126208+9125510(Top 21%)5070(Top 33%)5070(Top 96%)
15K9.32 mi3.11 mi6350+5785747+4615747+4614920(Top 18%)4571(Top 30%)4571(Top 86%)
20K12.43 mi3.11 mi5931+4195418+3295418+3294448(Top 17%)4149(Top 27%)4149(Top 79%)
Half13.11 mi0.68 mi5892+395392+265392+265311(Top 20%)4894(Top 32%)4894(Top 93%)
25K15.53 mi2.42 mi5512+3805087+3055087+3053335(Top 13%)3167(Top 21%)3167(Top 60%)
30K18.64 mi3.11 mi4801+7114467+6204467+6202355(Top 9%)2244(Top 15%)2244(Top 42%)
20M20.00 mi1.36 mi4546+2554239+2284239+2282282(Top 9%)2171(Top 14%)2171(Top 41%)
21M21.00 mi1.00 mi4380+1664092+1474092+1472572(Top 10%)2430(Top 16%)2430(Top 46%)
35K21.75 mi0.75 mi4265+1153990+1023990+1022610(Top 10%)2469(Top 16%)2469(Top 47%)
23M23.00 mi1.25 mi4222+433951+393951+393870(Top 15%)3567(Top 24%)3567(Top 67%)
24M24.00 mi1.00 mi4264-423989-383989-384326(Top 16%)3918(Top 26%)3918(Top 74%)
40K24.85 mi0.85 mi4232+323958+313958+314019(Top 15%)3601(Top 24%)3601(Top 68%)
25.2M25.20 mi0.35 mi4212+203941+173941+173627(Top 14%)3255(Top 21%)3255(Top 62%)
Finish26.22 mi1.02 mi4161+513892+493892+492864(Top 11%)2601(Top 17%)2601(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4920

Males

4571

M18-39

4571

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5510

Males

5070

M18-39

5070

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4920

Males

4571

M18-39

4571

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4448

Males

4149

M18-39

4149

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5311

Males

4894

M18-39

4894

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3335

Males

3167

M18-39

3167

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2355

Males

2244

M18-39

2244

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2282

Males

2171

M18-39

2171

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2572

Males

2430

M18-39

2430

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2610

Males

2469

M18-39

2469

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

3870

Males

3567

M18-39

3567

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4326

Males

3918

M18-39

3918

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4019

Males

3601

M18-39

3601

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3627

Males

3255

M18-39

3255

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2864

Males

2601

M18-39

2601

Passing Analysis

Category:
Athletes Passed
4277
Passed By
202
Net Change
+4075
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8236
5K → 10K13124+1308#8236#6928
10K → 15K5813+578#6928#6350
15K → 20K4201+419#6350#5931
20K → Half445+39#5931#5892
Half → 25K3800+380#5892#5512
25K → 30K7121+711#5512#4801
30K → 20M2550+255#4801#4546
20M → 21M1715+166#4546#4380
21M → 35K1172+115#4380#4265
35K → 23M8744+43#4265#4222
23M → 24M3476-42#4222#4264
24M → 40K6735+32#4264#4232
40K → 25.2M288+20#4232#4212
25.2M → Finish6918+51#4212#4161
TOTALS4277202+4075
📊

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