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BOSTON MARATHON 2023

Leonardo Sanchez Arriaga

Bib: 10217•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
Masters (Masters Men)
#0 / 9891
Top 26%
Division (M45-49)
#0 / 2252
Top 34%
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
7:35/mi
23:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
46:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:08:56
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:31:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:36:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:54:48
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:18:07
↑ 181↓ 1480.2%
20M
7:16/mi
2:28:00
↑ 64↓ 500.2%
21M
7:25/mi
2:35:25
↑ 106↓ 241.6%
35K· 21.75 mi
6:49/mi
2:40:31
↑ 17↓ 861.7%
23M
7:05/mi
2:49:23
↑ 23↓ 630.6%
24M
6:54/mi
2:56:17
↓ 821.3%
40K· 24.85 mi
6:55/mi
3:02:12
↓ 200.3%
25.2M
7:18/mi
3:04:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:12:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:06
Pace7:15 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2823:337:3523:33
7:35
-
10K
6.21 mi11:13:1146:167:2722:43
7:19
-0:16
15K
9.32 mi11:35:511:08:567:2422:40
7:18
-0:01
20K
12.43 mi11:58:541:31:597:2423:03
7:25
+0:07
Half
13.11 mi12:03:501:36:557:244:56
7:14
-0:11
25K
15.53 mi12:21:431:54:487:2317:53
7:23
+0:09
30K
18.64 mi12:45:022:18:077:2523:19
7:30
+0:07
20M
20.00 mi12:54:552:28:007:249:53
7:16
-0:14
21M
21.00 mi13:02:202:35:257:247:25
7:25
+0:09
35K
21.75 mi13:07:262:40:317:235:06
6:49
-0:36
23M
23.00 mi13:16:182:49:237:228:52
7:05
+0:16
24M
24.00 mi13:23:122:56:177:216:54
6:54
-0:11
40K
24.85 mi13:29:073:02:127:205:55
6:55
+0:01
25.2M
25.20 mi13:31:383:04:437:202:31
7:18
+0:23
Finish
26.22 mi13:38:563:12:017:207:18
7:10
-0:08

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

6:49 /mi

Average Pace

7:20 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:09

76% of race

Time at Steady Pace

46:52

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:50:2823:337:3523:33
7:35
#10325
10K
6.21 mi11:13:1146:167:2722:43
7:19
#9537
15K
9.32 mi11:35:511:08:567:2422:40
7:18
#9144
20K
12.43 mi11:58:541:31:597:2423:03
7:25
#9010
Half
13.11 mi12:03:501:36:557:244:56
7:14
#8953
25K
15.53 mi12:21:431:54:487:2317:53
7:23
#8757
30K
18.64 mi12:45:022:18:077:2523:19
7:30
#8425
20M
20.00 mi12:54:552:28:007:249:53
7:16
#8171
21M
21.00 mi13:02:202:35:257:247:25
7:25
#7865
35K
21.75 mi13:07:262:40:317:235:06
6:49
#7700
23M
23.00 mi13:16:182:49:237:228:52
7:05
#7425
24M
24.00 mi13:23:122:56:177:216:54
6:54
#7254
40K
24.85 mi13:29:073:02:127:205:55
6:55
#7072
25.2M
25.20 mi13:31:383:04:437:202:31
7:18
#6965
Finish
26.22 mi13:38:563:12:017:207:18
7:10
#6907
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10325830283028499(Top 32%)7237(Top 48%)7237(Top 321%)
10K6.21 mi3.10 mi9537+7887895+4077895+4078916(Top 33%)7526(Top 50%)7526(Top 334%)
15K9.32 mi3.11 mi9144+3937653+2427653+2428499(Top 32%)7237(Top 48%)7237(Top 321%)
20K12.43 mi3.11 mi9010+1347555+987555+988645(Top 32%)7277(Top 48%)7277(Top 323%)
Half13.11 mi0.68 mi8953+577514+417514+418029(Top 30%)6901(Top 45%)6901(Top 306%)
25K15.53 mi2.42 mi8757+1967388+1267388+1267789(Top 29%)6659(Top 44%)6659(Top 296%)
30K18.64 mi3.11 mi8425+3327138+2507138+2507237(Top 27%)6217(Top 41%)6217(Top 276%)
20M20.00 mi1.36 mi8171+2546963+1756963+1755501(Top 21%)4932(Top 32%)4932(Top 219%)
21M21.00 mi1.00 mi7865+3066761+2026761+2024222(Top 16%)3874(Top 26%)3874(Top 172%)
35K21.75 mi0.75 mi7700+1656644+1176644+1174350(Top 16%)3985(Top 26%)3985(Top 177%)
23M23.00 mi1.25 mi7425+2756437+2076437+2074239(Top 16%)3882(Top 26%)3882(Top 172%)
24M24.00 mi1.00 mi7254+1716305+1326305+1324192(Top 16%)3818(Top 25%)3818(Top 170%)
40K24.85 mi0.85 mi7072+1826167+1386167+1383461(Top 13%)3162(Top 21%)3162(Top 140%)
25.2M25.20 mi0.35 mi6965+1076076+916076+913010(Top 11%)2765(Top 18%)2765(Top 123%)
Finish26.22 mi1.02 mi6907+586018+586018+586177(Top 23%)5050(Top 33%)5050(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8499

Males

7237

M45-49

7237

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8916

Males

7526

M45-49

7526

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8499

Males

7237

M45-49

7237

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8645

Males

7277

M45-49

7277

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8029

Males

6901

M45-49

6901

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7789

Males

6659

M45-49

6659

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7237

Males

6217

M45-49

6217

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5501

Males

4932

M45-49

4932

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4222

Males

3874

M45-49

3874

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4350

Males

3985

M45-49

3985

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4239

Males

3882

M45-49

3882

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4192

Males

3818

M45-49

3818

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3461

Males

3162

M45-49

3162

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3010

Males

2765

M45-49

2765

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6177

Males

5050

M45-49

5050

Passing Analysis

Category:
Athletes Passed
3652*
Passed By
234
Net Change
+3418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10325
5K → 10K850*62+788#10325#9537
10K → 15K41825+393#9537#9144
15K → 20K19561+134#9144#9010
20K → Half636+57#9010#8953
Half → 25K22024+196#8953#8757
25K → 30K36129+332#8757#8425
30K → 20M2551+254#8425#8171
20M → 21M3060+306#8171#7865
21M → 35K1650+165#7865#7700
35K → 23M2761+275#7700#7425
23M → 24M1721+171#7425#7254
24M → 40K1820+182#7254#7072
40K → 25.2M1070+107#7072#6965
25.2M → Finish8224+58#6965#6907
TOTALS3652*234+3418

* 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