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BOSTON MARATHON 2023

Dan Santoro

Bib: 29025•M

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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:59
Rank: #6711
Start → 5K
21:59 | 7:05/mi
10K· 6.21 mi
42:29
Rank: #5264 (+1447)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:03:19
Rank: #4931 (+333)
10K → 15K
20:50 | 6:42/mi
20K· 12.43 mi
1:24:03
Rank: #4478 (+453)
15K → 20K
20:44 | 6:40/mi
Half· 13.11 mi
1:28:35
Rank: #4428 (+50)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:50
Rank: #4193 (+235)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
2:05:42
Rank: #3791 (+402)
25K → 30K
20:52 | 6:43/mi
20M
2:14:46
Rank: #3599 (+192)
30K → 20M
9:04 | 6:40/mi
21M
2:21:50
Rank: #3486 (+113)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:26:35
Rank: #3362 (+124)
21M → 35K
4:45 | 6:21/mi
23M
2:34:50
Rank: #3212 (+150)
35K → 23M
8:15 | 6:35/mi
24M
2:41:28
Rank: #3171 (+41)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:47:17
Rank: #3124 (+47)
24M → 40K
5:49 | 6:48/mi
25.2M
2:49:50
Rank: #3115 (+9)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:56:35
Rank: #3080 (+35)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:35
Pace6:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:00
Pace6:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:3121:597:0521:59
7:05
-
10K
6.21 mi11:59:0142:296:5020:30
6:36
-0:29
15K
9.32 mi12:19:511:03:196:4820:50
6:42
+0:06
20K
12.43 mi12:40:351:24:036:4620:44
6:40
-0:02
Half
13.11 mi12:45:071:28:356:454:32
6:39
-0:01
25K
15.53 mi13:01:221:44:506:4516:15
6:42
+0:03
30K
18.64 mi13:22:142:05:426:4520:52
6:43
+0:01
20M
20.00 mi13:31:182:14:466:449:04
6:40
-0:03
21M
21.00 mi13:38:222:21:506:457:04
7:04
+0:24
35K
21.75 mi13:43:072:26:356:444:45
6:21
-0:43
23M
23.00 mi13:51:222:34:506:448:15
6:35
+0:14
24M
24.00 mi13:58:002:41:286:446:38
6:38
+0:03
40K
24.85 mi14:03:492:47:176:445:49
6:48
+0:10
25.2M
25.20 mi14:06:222:49:506:442:33
7:24
+0:36
Finish
26.22 mi14:13:072:56:356:446:45
6:37
-0:47

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

6:21 /mi

Average Pace

6:44 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:59

82% of race

Time at Steady Pace

31:36

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi11:38:3121:597:0521:59
7:05
#6711
10K
6.21 mi11:59:0142:296:5020:30
6:36
#5264
15K
9.32 mi12:19:511:03:196:4820:50
6:42
#4931
20K
12.43 mi12:40:351:24:036:4620:44
6:40
#4478
Half
13.11 mi12:45:071:28:356:454:32
6:39
#4428
25K
15.53 mi13:01:221:44:506:4516:15
6:42
#4193
30K
18.64 mi13:22:142:05:426:4520:52
6:43
#3791
20M
20.00 mi13:31:182:14:466:449:04
6:40
#3599
21M
21.00 mi13:38:222:21:506:457:04
7:04
#3486
35K
21.75 mi13:43:072:26:356:444:45
6:21
#3362
23M
23.00 mi13:51:222:34:506:448:15
6:35
#3212
24M
24.00 mi13:58:002:41:286:446:38
6:38
#3171
40K
24.85 mi14:03:492:47:176:445:49
6:48
#3124
25.2M
25.20 mi14:06:222:49:506:442:33
7:24
#3115
Finish
26.22 mi14:13:072:56:356:446:45
6:37
#3080
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6711605260524165(Top 16%)3907(Top 26%)3907(Top 74%)
10K6.21 mi3.10 mi5264+14474868+11844868+11843480(Top 13%)3296(Top 22%)3296(Top 62%)
15K9.32 mi3.11 mi4931+3334583+2854583+2854165(Top 16%)3907(Top 26%)3907(Top 74%)
20K12.43 mi3.11 mi4478+4534185+3984185+3983356(Top 13%)3184(Top 21%)3184(Top 60%)
Half13.11 mi0.68 mi4428+504144+414144+413742(Top 14%)3526(Top 23%)3526(Top 67%)
25K15.53 mi2.42 mi4193+2353931+2133931+2133360(Top 13%)3187(Top 21%)3187(Top 60%)
30K18.64 mi3.11 mi3791+4023576+3553576+3552496(Top 9%)2375(Top 16%)2375(Top 45%)
20M20.00 mi1.36 mi3599+1923404+1723404+1722172(Top 8%)2067(Top 14%)2067(Top 39%)
21M21.00 mi1.00 mi3486+1133302+1023302+1022475(Top 9%)2338(Top 15%)2338(Top 44%)
35K21.75 mi0.75 mi3362+1243183+1193183+1191785(Top 7%)1698(Top 11%)1698(Top 32%)
23M23.00 mi1.25 mi3212+1503044+1393044+1391747(Top 7%)1657(Top 11%)1657(Top 31%)
24M24.00 mi1.00 mi3171+413007+373007+372755(Top 10%)2564(Top 17%)2564(Top 49%)
40K24.85 mi0.85 mi3124+472960+472960+472836(Top 11%)2610(Top 17%)2610(Top 49%)
25.2M25.20 mi0.35 mi3115+92950+102950+103356(Top 13%)3039(Top 20%)3039(Top 58%)
Finish26.22 mi1.02 mi3080+352917+332917+333094(Top 12%)2789(Top 18%)2789(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4165

Males

3907

M18-39

3907

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3480

Males

3296

M18-39

3296

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4165

Males

3907

M18-39

3907

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3356

Males

3184

M18-39

3184

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3742

Males

3526

M18-39

3526

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3360

Males

3187

M18-39

3187

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2496

Males

2375

M18-39

2375

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2172

Males

2067

M18-39

2067

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2475

Males

2338

M18-39

2338

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1785

Males

1698

M18-39

1698

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1747

Males

1657

M18-39

1657

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2755

Males

2564

M18-39

2564

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2836

Males

2610

M18-39

2610

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3356

Males

3039

M18-39

3039

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3094

Males

2789

M18-39

2789

Passing Analysis

Category:
Athletes Passed
3767
Passed By
136
Net Change
+3631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6711
5K → 10K14514+1447#6711#5264
10K → 15K34815+333#5264#4931
15K → 20K4585+453#4931#4478
20K → Half544+50#4478#4428
Half → 25K24611+235#4428#4193
25K → 30K4042+402#4193#3791
30K → 20M1931+192#3791#3599
20M → 21M1218+113#3599#3486
21M → 35K1240+124#3486#3362
35K → 23M1577+150#3362#3212
23M → 24M5312+41#3212#3171
24M → 40K6316+47#3171#3124
40K → 25.2M2415+9#3124#3115
25.2M → Finish7136+35#3115#3080
TOTALS3767136+3631
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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