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BOSTON MARATHON 2023

Ethan Hardacre

Bib: 2517•M

NV

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
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
5:59/mi
18:35
↑ 97↓ 3451.5%
10K· 6.21 mi
6:04/mi
37:25
↑ 79↓ 1380.4%
15K· 9.32 mi
6:06/mi
56:21
↑ 67↓ 78
20K· 12.43 mi
6:13/mi
1:15:41
↑ 106↓ 860.1%
Half· 13.11 mi
6:12/mi
1:19:55
↑ 19↓ 370.5%
25K· 15.53 mi
6:17/mi
1:35:09
↑ 66↓ 880.2%
30K· 18.64 mi
6:32/mi
1:55:27
↑ 181↓ 1480.2%
20M
6:45/mi
2:04:38
↑ 64↓ 500.2%
21M
7:20/mi
2:11:58
↑ 106↓ 241.6%
35K· 21.75 mi
6:42/mi
2:16:59
↑ 17↓ 861.7%
23M
6:59/mi
2:25:44
↑ 23↓ 630.6%
24M
6:55/mi
2:32:39
↓ 821.3%
40K· 24.85 mi
7:22/mi
2:38:57
↓ 200.3%
25.2M
7:53/mi
2:41:40
↑ 13↓ 160.2%
Finish· 26.22 mi
6:48/mi
2:48:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:55
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:28:41
Pace6:46 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1218:355:5918:35
5:59
-
10K
6.21 mi10:38:0237:256:0118:50
6:04
+0:05
15K
9.32 mi10:56:5856:216:0318:56
6:06
+0:02
20K
12.43 mi11:16:181:15:416:0519:20
6:13
+0:07
Half
13.11 mi11:20:321:19:556:064:14
6:12
-0:01
25K
15.53 mi11:35:461:35:096:0815:14
6:17
+0:05
30K
18.64 mi11:56:041:55:276:1220:18
6:32
+0:15
20M
20.00 mi12:05:152:04:386:149:11
6:45
+0:13
21M
21.00 mi12:12:352:11:586:177:20
7:20
+0:35
35K
21.75 mi12:17:362:16:596:185:01
6:42
-0:38
23M
23.00 mi12:26:212:25:446:208:45
6:59
+0:17
24M
24.00 mi12:33:162:32:396:226:55
6:55
-0:04
40K
24.85 mi12:39:342:38:576:246:18
7:22
+0:27
25.2M
25.20 mi12:42:172:41:406:252:43
7:53
+0:31
Finish
26.22 mi12:49:132:48:366:266:56
6:48
-1:05

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

5:59 /mi

Average Pace

6:26 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:09

56% of race

Time at Steady Pace

48:21

29% of race

Time at Slower Pace

25:06

15% of race

Average Pace: 6:26 /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 mi10:19:1218:355:5918:35
5:59
#660
10K
6.21 mi10:38:0237:256:0118:50
6:04
#782
15K
9.32 mi10:56:5856:216:0318:56
6:06
#825
20K
12.43 mi11:16:181:15:416:0519:20
6:13
#880
Half
13.11 mi11:20:321:19:556:064:14
6:12
#900
25K
15.53 mi11:35:461:35:096:0815:14
6:17
#942
30K
18.64 mi11:56:041:55:276:1220:18
6:32
#1000
20M
20.00 mi12:05:152:04:386:149:11
6:45
#1069
21M
21.00 mi12:12:352:11:586:177:20
7:20
#1135
35K
21.75 mi12:17:362:16:596:185:01
6:42
#1184
23M
23.00 mi12:26:212:25:446:208:45
6:59
#1283
24M
24.00 mi12:33:162:32:396:226:55
6:55
#1358
40K
24.85 mi12:39:342:38:576:246:18
7:22
#1459
25.2M
25.20 mi12:42:172:41:406:252:43
7:53
#1511
Finish
26.22 mi12:49:132:48:366:266:56
6:48
#1556
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi660616616958(Top 4%)909(Top 6%)909(Top 17%)
10K6.21 mi3.10 mi782-122737-121737-121972(Top 4%)922(Top 6%)922(Top 17%)
15K9.32 mi3.11 mi825-43778-41778-41958(Top 4%)909(Top 6%)909(Top 17%)
20K12.43 mi3.11 mi880-55832-54832-541120(Top 4%)1068(Top 7%)1068(Top 20%)
Half13.11 mi0.68 mi900-20852-20852-201401(Top 5%)1341(Top 9%)1341(Top 25%)
25K15.53 mi2.42 mi942-42894-42894-421280(Top 5%)1223(Top 8%)1223(Top 23%)
30K18.64 mi3.11 mi1000-58950-56950-561689(Top 6%)1616(Top 11%)1616(Top 31%)
20M20.00 mi1.36 mi1069-691018-681018-682540(Top 10%)2407(Top 16%)2407(Top 46%)
21M21.00 mi1.00 mi1135-661082-641082-643744(Top 14%)3467(Top 23%)3467(Top 66%)
35K21.75 mi0.75 mi1184-491130-481130-483541(Top 13%)3275(Top 22%)3275(Top 62%)
23M23.00 mi1.25 mi1283-991225-951225-953691(Top 14%)3405(Top 22%)3405(Top 64%)
24M24.00 mi1.00 mi1358-751294-691294-694215(Top 16%)3827(Top 25%)3827(Top 72%)
40K24.85 mi0.85 mi1459-1011392-981392-985819(Top 22%)4885(Top 32%)4885(Top 92%)
25.2M25.20 mi0.35 mi1511-521442-501442-505676(Top 21%)4696(Top 31%)4696(Top 89%)
Finish26.22 mi1.02 mi1556-451488-461488-464045(Top 15%)3566(Top 23%)3566(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

958

Males

909

M18-39

909

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

972

Males

922

M18-39

922

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

958

Males

909

M18-39

909

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1120

Males

1068

M18-39

1068

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1401

Males

1341

M18-39

1341

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1280

Males

1223

M18-39

1223

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1689

Males

1616

M18-39

1616

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2540

Males

2407

M18-39

2407

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3744

Males

3467

M18-39

3467

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3541

Males

3275

M18-39

3275

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

3691

Males

3405

M18-39

3405

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4215

Males

3827

M18-39

3827

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5819

Males

4885

M18-39

4885

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5676

Males

4696

M18-39

4696

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4045

Males

3566

M18-39

3566

Passing Analysis

Category:
Athletes Passed
102
Passed By
998
Net Change
-896
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#660
5K → 10K4126-122#660#782
10K → 15K750-43#782#825
15K → 20K1166-55#825#880
20K → Half323-20#880#900
Half → 25K1355-42#900#942
25K → 30K2280-58#942#1000
30K → 20M574-69#1000#1069
20M → 21M773-66#1069#1135
21M → 35K453-49#1135#1184
35K → 23M6105-99#1184#1283
23M → 24M782-75#1283#1358
24M → 40K2103-101#1358#1459
40K → 25.2M052-52#1459#1511
25.2M → Finish1156-45#1511#1556
TOTALS102998-896
📊

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