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BOSTON MARATHON 2023

Ryan Cass

Bib: 5983•M

SC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:22
Rank: #7473
Start → 5K
22:22 | 7:12/mi
10K· 6.21 mi
44:16
Rank: #7259 (+214)
5K → 10K
21:54 | 7:03/mi
15K· 9.32 mi
1:06:06
Rank: #7045 (+214)
10K → 15K
21:50 | 7:02/mi
20K· 12.43 mi
1:27:53
Rank: #6756 (+289)
15K → 20K
21:47 | 7:01/mi
Half· 13.11 mi
1:32:35
Rank: #6717 (+39)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:49:39
Rank: #6543 (+174)
Half → 25K
17:04 | 7:02/mi
30K· 18.64 mi
2:12:23
Rank: #6417 (+126)
25K → 30K
22:44 | 7:19/mi
20M
2:22:21
Rank: #6336 (+81)
30K → 20M
9:58 | 7:20/mi
21M
2:29:53
Rank: #6199 (+137)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:34:52
Rank: #6085 (+114)
21M → 35K
4:59 | 6:40/mi
23M
2:43:32
Rank: #5865 (+220)
35K → 23M
8:40 | 6:55/mi
24M
2:50:12
Rank: #5685 (+180)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:56:03
Rank: #5547 (+138)
24M → 40K
5:51 | 6:51/mi
25.2M
2:58:31
Rank: #5460 (+87)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
3:04:55
Rank: #5238 (+222)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:35
Pace7:04 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:20
Pace7:03 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0522:227:1222:22
7:12
-
10K
6.21 mi10:46:5944:167:0721:54
7:03
-0:09
15K
9.32 mi11:08:491:06:067:0621:50
7:02
-0:01
20K
12.43 mi11:30:361:27:537:0421:47
7:01
-0:01
Half
13.11 mi11:35:181:32:357:044:42
6:53
-0:08
25K
15.53 mi11:52:221:49:397:0417:04
7:02
+0:09
30K
18.64 mi12:15:062:12:237:0622:44
7:19
+0:17
20M
20.00 mi12:25:042:22:217:079:58
7:20
+0:01
21M
21.00 mi12:32:362:29:537:087:32
7:32
+0:12
35K
21.75 mi12:37:352:34:527:074:59
6:40
-0:52
23M
23.00 mi12:46:152:43:327:078:40
6:55
+0:15
24M
24.00 mi12:52:552:50:127:066:40
6:40
-0:15
40K
24.85 mi12:58:462:56:037:055:51
6:51
+0:11
25.2M
25.20 mi13:01:142:58:317:052:28
7:09
+0:18
Finish
26.22 mi13:07:383:04:557:036:24
6:17
-0:52

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

6:17 /mi

Average Pace

7:03 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:36

15% of race

Time at Steady Pace

2:28:47

80% of race

Time at Slower Pace

7:32

4% of race

Average Pace: 7:03 /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 mi10:25:0522:227:1222:22
7:12
#7473
10K
6.21 mi10:46:5944:167:0721:54
7:03
#7259
15K
9.32 mi11:08:491:06:067:0621:50
7:02
#7045
20K
12.43 mi11:30:361:27:537:0421:47
7:01
#6756
Half
13.11 mi11:35:181:32:357:044:42
6:53
#6717
25K
15.53 mi11:52:221:49:397:0417:04
7:02
#6543
30K
18.64 mi12:15:062:12:237:0622:44
7:19
#6417
20M
20.00 mi12:25:042:22:217:079:58
7:20
#6336
21M
21.00 mi12:32:362:29:537:087:32
7:32
#6199
35K
21.75 mi12:37:352:34:527:074:59
6:40
#6085
23M
23.00 mi12:46:152:43:327:078:40
6:55
#5865
24M
24.00 mi12:52:552:50:127:066:40
6:40
#5685
40K
24.85 mi12:58:462:56:037:055:51
6:51
#5547
25.2M
25.20 mi13:01:142:58:317:052:28
7:09
#5460
Finish
26.22 mi13:07:383:04:557:036:24
6:17
#5238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7473662566256730(Top 25%)6032(Top 40%)6032(Top 114%)
10K6.21 mi3.10 mi7259+2146447+1786447+1787106(Top 27%)6315(Top 42%)6315(Top 119%)
15K9.32 mi3.11 mi7045+2146286+1616286+1616730(Top 25%)6032(Top 40%)6032(Top 114%)
20K12.43 mi3.11 mi6756+2896062+2246062+2246044(Top 23%)5505(Top 36%)5505(Top 104%)
Half13.11 mi0.68 mi6717+396031+316031+315879(Top 22%)5388(Top 36%)5388(Top 102%)
25K15.53 mi2.42 mi6543+1745885+1465885+1465787(Top 22%)5289(Top 35%)5289(Top 100%)
30K18.64 mi3.11 mi6417+1265783+1025783+1026109(Top 23%)5444(Top 36%)5444(Top 103%)
20M20.00 mi1.36 mi6336+815707+765707+765809(Top 22%)5147(Top 34%)5147(Top 97%)
21M21.00 mi1.00 mi6199+1375589+1185589+1184753(Top 18%)4294(Top 28%)4294(Top 81%)
35K21.75 mi0.75 mi6085+1145497+925497+923383(Top 13%)3153(Top 21%)3153(Top 60%)
23M23.00 mi1.25 mi5865+2205318+1795318+1793394(Top 13%)3147(Top 21%)3147(Top 60%)
24M24.00 mi1.00 mi5685+1805170+1485170+1482959(Top 11%)2751(Top 18%)2751(Top 52%)
40K24.85 mi0.85 mi5547+1385053+1175053+1173052(Top 11%)2810(Top 19%)2810(Top 53%)
25.2M25.20 mi0.35 mi5460+874978+754978+752390(Top 9%)2223(Top 15%)2223(Top 42%)
Finish26.22 mi1.02 mi5238+2224791+1874791+1871570(Top 6%)1485(Top 10%)1485(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6730

Males

6032

M18-39

6032

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7106

Males

6315

M18-39

6315

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6730

Males

6032

M18-39

6032

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6044

Males

5505

M18-39

5505

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5879

Males

5388

M18-39

5388

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5787

Males

5289

M18-39

5289

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6109

Males

5444

M18-39

5444

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5809

Males

5147

M18-39

5147

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4753

Males

4294

M18-39

4294

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3383

Males

3153

M18-39

3153

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3394

Males

3147

M18-39

3147

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2959

Males

2751

M18-39

2751

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3052

Males

2810

M18-39

2810

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2390

Males

2223

M18-39

2223

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1570

Males

1485

M18-39

1485

Passing Analysis

Category:
Athletes Passed
2518
Passed By
283
Net Change
+2235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7473
5K → 10K336122+214#7473#7259
10K → 15K27056+214#7259#7045
15K → 20K2956+289#7045#6756
20K → Half445+39#6756#6717
Half → 25K18410+174#6717#6543
25K → 30K17650+126#6543#6417
30K → 20M10120+81#6417#6336
20M → 21M1436+137#6336#6199
21M → 35K1173+114#6199#6085
35K → 23M2211+220#6085#5865
23M → 24M1822+180#5865#5685
24M → 40K1391+138#5685#5547
40K → 25.2M881+87#5547#5460
25.2M → Finish2220+222#5460#5238
TOTALS2518283+2235
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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