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BOSTON MARATHON 2023

Christian Sanchez

Bib: 5721•M

GA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Division (M18-39)
#0 / 5285
Top 44%
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
6:45/mi
20:58
↑ 97↓ 3451.5%
10K· 6.21 mi
6:34/mi
41:23
↑ 79↓ 1380.4%
15K· 9.32 mi
6:33/mi
1:01:43
↑ 67↓ 78
20K· 12.43 mi
6:32/mi
1:22:00
↑ 106↓ 860.1%
Half· 13.11 mi
6:31/mi
1:26:27
↑ 19↓ 370.5%
25K· 15.53 mi
6:35/mi
1:42:25
↑ 66↓ 880.2%
30K· 18.64 mi
6:46/mi
2:03:27
↑ 181↓ 1480.2%
20M
6:45/mi
2:12:38
↑ 64↓ 500.2%
21M
7:27/mi
2:20:05
↑ 106↓ 241.6%
35K· 21.75 mi
6:37/mi
2:25:02
↑ 17↓ 861.7%
23M
7:38/mi
2:34:36
↑ 23↓ 630.6%
24M
7:14/mi
2:41:50
↓ 821.3%
40K· 24.85 mi
7:22/mi
2:48:08
↓ 200.3%
25.2M
7:41/mi
2:50:47
↑ 13↓ 160.2%
Finish· 26.22 mi
6:46/mi
2:57:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:27
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:31:14
Pace6:58 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4920:586:4520:58
6:45
-
10K
6.21 mi10:44:1441:236:4020:25
6:34
-0:11
15K
9.32 mi11:04:341:01:436:3720:20
6:33
-0:01
20K
12.43 mi11:24:511:22:006:3620:17
6:32
-0:01
Half
13.11 mi11:29:181:26:276:364:27
6:31
-0:01
25K
15.53 mi11:45:161:42:256:3615:58
6:35
+0:04
30K
18.64 mi12:06:182:03:276:3721:02
6:46
+0:11
20M
20.00 mi12:15:292:12:386:389:11
6:45
-0:01
21M
21.00 mi12:22:562:20:056:407:27
7:27
+0:42
35K
21.75 mi12:27:532:25:026:404:57
6:37
-0:50
23M
23.00 mi12:37:272:34:366:439:34
7:38
+1:01
24M
24.00 mi12:44:412:41:506:457:14
7:14
-0:24
40K
24.85 mi12:50:592:48:086:466:18
7:22
+0:08
25.2M
25.20 mi12:53:382:50:476:472:39
7:41
+0:19
Finish
26.22 mi13:00:322:57:416:476:54
6:46
-0:55

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

6:31 /mi

Average Pace

6:47 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:29

81% of race

Time at Steady Pace

33:12

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:23:4920:586:4520:58
6:45
#4108
10K
6.21 mi10:44:1441:236:4020:25
6:34
#3616
15K
9.32 mi11:04:341:01:436:3720:20
6:33
#3353
20K
12.43 mi11:24:511:22:006:3620:17
6:32
#3073
Half
13.11 mi11:29:181:26:276:364:27
6:31
#3056
25K
15.53 mi11:45:161:42:256:3615:58
6:35
#2939
30K
18.64 mi12:06:182:03:276:3721:02
6:46
#2873
20M
20.00 mi12:15:292:12:386:389:11
6:45
#2826
21M
21.00 mi12:22:562:20:056:407:27
7:27
#2888
35K
21.75 mi12:27:532:25:026:404:57
6:37
#2877
23M
23.00 mi12:37:272:34:366:439:34
7:38
#3142
24M
24.00 mi12:44:412:41:506:457:14
7:14
#3274
40K
24.85 mi12:50:592:48:086:466:18
7:22
#3380
25.2M
25.20 mi12:53:382:50:476:472:39
7:41
#3410
Finish
26.22 mi13:00:322:57:416:476:54
6:46
#3381
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4108385338532906(Top 11%)2778(Top 18%)2778(Top 53%)
10K6.21 mi3.10 mi3616+4923411+4423411+4423286(Top 12%)3128(Top 21%)3128(Top 59%)
15K9.32 mi3.11 mi3353+2633181+2303181+2302906(Top 11%)2778(Top 18%)2778(Top 53%)
20K12.43 mi3.11 mi3073+2802931+2502931+2502458(Top 9%)2354(Top 16%)2354(Top 45%)
Half13.11 mi0.68 mi3056+172916+152916+152951(Top 11%)2826(Top 19%)2826(Top 53%)
25K15.53 mi2.42 mi2939+1172807+1092807+1092633(Top 10%)2521(Top 17%)2521(Top 48%)
30K18.64 mi3.11 mi2873+662748+592748+592813(Top 11%)2669(Top 18%)2669(Top 51%)
20M20.00 mi1.36 mi2826+472702+462702+462586(Top 10%)2453(Top 16%)2453(Top 46%)
21M21.00 mi1.00 mi2888-622756-542756-544333(Top 16%)3959(Top 26%)3959(Top 75%)
35K21.75 mi0.75 mi2877+112742+142742+143089(Top 12%)2891(Top 19%)2891(Top 55%)
23M23.00 mi1.25 mi3142-2652980-2382980-2387321(Top 27%)6001(Top 40%)6001(Top 114%)
24M24.00 mi1.00 mi3274-1323100-1203100-1205897(Top 22%)5027(Top 33%)5027(Top 95%)
40K24.85 mi0.85 mi3380-1063194-943194-945830(Top 22%)4896(Top 32%)4896(Top 93%)
25.2M25.20 mi0.35 mi3410-303221-273221-274724(Top 18%)4077(Top 27%)4077(Top 77%)
Finish26.22 mi1.02 mi3381+293190+313190+313880(Top 15%)3436(Top 23%)3436(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2906

Males

2778

M18-39

2778

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3286

Males

3128

M18-39

3128

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2906

Males

2778

M18-39

2778

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2458

Males

2354

M18-39

2354

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

2951

Males

2826

M18-39

2826

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2633

Males

2521

M18-39

2521

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

2813

Males

2669

M18-39

2669

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2586

Males

2453

M18-39

2453

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4333

Males

3959

M18-39

3959

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3089

Males

2891

M18-39

2891

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7321

Males

6001

M18-39

6001

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5897

Males

5027

M18-39

5027

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5830

Males

4896

M18-39

4896

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4724

Males

4077

M18-39

4077

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

3880

Males

3436

M18-39

3436

Passing Analysis

Category:
Athletes Passed
1609
Passed By
882
Net Change
+727
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4108
5K → 10K54553+492#4108#3616
10K → 15K27714+263#3616#3353
15K → 20K2855+280#3353#3073
20K → Half214+17#3073#3056
Half → 25K13114+117#3056#2939
25K → 30K11246+66#2939#2873
30K → 20M5912+47#2873#2826
20M → 21M2385-62#2826#2888
21M → 35K3625+11#2888#2877
35K → 23M12277-265#2877#3142
23M → 24M17149-132#3142#3274
24M → 40K15121-106#3274#3380
40K → 25.2M1242-30#3380#3410
25.2M → Finish6435+29#3410#3381
TOTALS1609882+727
📊

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