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BOSTON MARATHON 2023

Jeremy Romero

Bib: 3179•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
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
6:32/mi
20:19
↑ 97↓ 3451.5%
10K· 6.21 mi
6:20/mi
39:59
↑ 79↓ 1380.4%
15K· 9.32 mi
6:24/mi
59:51
↑ 67↓ 78
20K· 12.43 mi
6:14/mi
1:19:12
↑ 106↓ 860.1%
Half· 13.11 mi
6:17/mi
1:23:29
↑ 19↓ 370.5%
25K· 15.53 mi
6:15/mi
1:38:38
↑ 66↓ 880.2%
30K· 18.64 mi
6:22/mi
1:58:24
↑ 181↓ 1480.2%
20M
6:24/mi
2:07:06
↑ 64↓ 500.2%
21M
6:40/mi
2:13:46
↑ 106↓ 241.6%
35K· 21.75 mi
6:24/mi
2:18:33
↑ 17↓ 861.7%
23M
6:26/mi
2:26:36
↑ 23↓ 630.6%
24M
5:58/mi
2:32:34
↓ 821.3%
40K· 24.85 mi
5:56/mi
2:37:38
↓ 200.3%
25.2M
6:23/mi
2:39:50
↑ 13↓ 160.2%
Finish· 26.22 mi
5:39/mi
2:45:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:23:29
Pace6:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:06
Pace6:16 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5520:196:3220:19
6:32
-
10K
6.21 mi10:41:3539:596:2619:40
6:20
-0:12
15K
9.32 mi11:01:2759:516:2519:52
6:24
+0:04
20K
12.43 mi11:20:481:19:126:2219:21
6:14
-0:10
Half
13.11 mi11:25:051:23:296:224:17
6:17
+0:03
25K
15.53 mi11:40:141:38:386:2115:09
6:15
-0:02
30K
18.64 mi12:00:001:58:246:2119:46
6:22
+0:07
20M
20.00 mi12:08:422:07:066:218:42
6:24
+0:02
21M
21.00 mi12:15:222:13:466:226:40
6:40
+0:16
35K
21.75 mi12:20:092:18:336:224:47
6:24
-0:16
23M
23.00 mi12:28:122:26:366:228:03
6:26
+0:02
24M
24.00 mi12:34:102:32:346:215:58
5:58
-0:28
40K
24.85 mi12:39:142:37:386:215:04
5:56
-0:02
25.2M
25.20 mi12:41:262:39:506:212:12
6:23
+0:27
Finish
26.22 mi12:47:112:45:356:195:45
5:39
-0:44

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

5:39 /mi

Average Pace

6:19 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:47

10% of race

Time at Steady Pace

2:28:48

90% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:21:5520:196:3220:19
6:32
#2476
10K
6.21 mi10:41:3539:596:2619:40
6:20
#2153
15K
9.32 mi11:01:2759:516:2519:52
6:24
#2101
20K
12.43 mi11:20:481:19:126:2219:21
6:14
#1819
Half
13.11 mi11:25:051:23:296:224:17
6:17
#1811
25K
15.53 mi11:40:141:38:386:2115:09
6:15
#1699
30K
18.64 mi12:00:001:58:246:2119:46
6:22
#1545
20M
20.00 mi12:08:422:07:066:218:42
6:24
#1502
21M
21.00 mi12:15:222:13:466:226:40
6:40
#1460
35K
21.75 mi12:20:092:18:336:224:47
6:24
#1470
23M
23.00 mi12:28:122:26:366:228:03
6:26
#1425
24M
24.00 mi12:34:102:32:346:215:58
5:58
#1342
40K
24.85 mi12:39:142:37:386:215:04
5:56
#1262
25.2M
25.20 mi12:41:262:39:506:212:12
6:23
#1235
Finish
26.22 mi12:47:112:45:356:195:45
5:39
#1150
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2476236223622053(Top 8%)1968(Top 13%)1968(Top 37%)
10K6.21 mi3.10 mi2153+3232062+3002062+3001884(Top 7%)1803(Top 12%)1803(Top 34%)
15K9.32 mi3.11 mi2101+522014+482014+482053(Top 8%)1968(Top 13%)1968(Top 37%)
20K12.43 mi3.11 mi1819+2821741+2731741+2731133(Top 4%)1081(Top 7%)1081(Top 20%)
Half13.11 mi0.68 mi1811+81733+81733+81659(Top 6%)1589(Top 10%)1589(Top 30%)
25K15.53 mi2.42 mi1699+1121627+1061627+1061135(Top 4%)1082(Top 7%)1082(Top 20%)
30K18.64 mi3.11 mi1545+1541476+1511476+1511101(Top 4%)1048(Top 7%)1048(Top 20%)
20M20.00 mi1.36 mi1502+431435+411435+411146(Top 4%)1096(Top 7%)1096(Top 21%)
21M21.00 mi1.00 mi1460+421395+401395+401013(Top 4%)965(Top 6%)965(Top 18%)
35K21.75 mi0.75 mi1470-101404-91404-91911(Top 7%)1815(Top 12%)1815(Top 34%)
23M23.00 mi1.25 mi1425+451359+451359+451191(Top 4%)1125(Top 7%)1125(Top 21%)
24M24.00 mi1.00 mi1342+831279+801279+80493(Top 2%)466(Top 3%)466(Top 9%)
40K24.85 mi0.85 mi1262+801204+751204+75262(Top 1.0%)239(Top 2%)239(Top 5%)
25.2M25.20 mi0.35 mi1235+271178+261178+26347(Top 1%)326(Top 2%)326(Top 6%)
Finish26.22 mi1.02 mi1150+851096+821096+82187(Top 0.7%)171(Top 1%)171(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21story building
+97ft-345ft

Overall

2053

Males

1968

M18-39

1968

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1884

Males

1803

M18-39

1803

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+67ft-78ft

Overall

2053

Males

1968

M18-39

1968

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1133

Males

1081

M18-39

1081

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1659

Males

1589

M18-39

1589

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1135

Males

1082

M18-39

1082

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1101

Males

1048

M18-39

1048

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1146

Males

1096

M18-39

1096

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1013

Males

965

M18-39

965

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1911

Males

1815

M18-39

1815

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1191

Males

1125

M18-39

1125

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

493

Males

466

M18-39

466

24M→40K

24.0 - 24.9 mi

Top 1.0%
×1story
+6ft-20ft

Overall

262

Males

239

M18-39

239

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

347

Males

326

M18-39

326

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2story building
+22ft-21ft

Overall

187

Males

171

M18-39

171

Passing Analysis

Category:
Athletes Passed
1440
Passed By
114
Net Change
+1326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2476
5K → 10K34522+323#2476#2153
10K → 15K9038+52#2153#2101
15K → 20K2831+282#2101#1819
20K → Half124+8#1819#1811
Half → 25K1142+112#1811#1699
25K → 30K1606+154#1699#1545
30K → 20M529+43#1545#1502
20M → 21M464+42#1502#1460
21M → 35K1020-10#1460#1470
35K → 23M538+45#1470#1425
23M → 24M830+83#1425#1342
24M → 40K800+80#1342#1262
40K → 25.2M270+27#1262#1235
25.2M → Finish850+85#1235#1150
TOTALS1440114+1326
📊

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