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BOSTON MARATHON 2023

Christian Clifford

Bib: 29115•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
32:00
Rank: #24218
Start → 5K
32:00 | 10:18/mi
10K· 6.21 mi
1:03:57
Rank: #24247 (-29)
5K → 10K
31:57 | 10:17/mi
15K· 9.32 mi
1:35:34
Rank: #24124 (+123)
10K → 15K
31:37 | 10:11/mi
20K· 12.43 mi
2:07:48
Rank: #23986 (+138)
15K → 20K
32:14 | 10:22/mi
Half· 13.11 mi
2:14:48
Rank: #23964 (+22)
20K → Half
7:00 | 10:16/mi
25K· 15.53 mi
2:41:11
Rank: #23912 (+52)
Half → 25K
26:23 | 10:53/mi
30K· 18.64 mi
3:15:15
Rank: #23753 (+159)
25K → 30K
34:04 | 10:58/mi
20M
3:30:17
Rank: #23672 (+81)
30K → 20M
15:02 | 11:04/mi
21M
3:43:46
Rank: #23771 (-99)
20M → 21M
13:29 | 13:29/mi
35K· 21.75 mi
3:52:19
Rank: #23798 (-27)
21M → 35K
8:33 | 11:26/mi
23M
4:07:00
Rank: #23803 (-5)
35K → 23M
14:41 | 11:44/mi
24M
4:17:51
Rank: #23767 (+36)
23M → 24M
10:51 | 10:51/mi
40K· 24.85 mi
4:27:22
Rank: #23726 (+41)
24M → 40K
9:31 | 11:08/mi
25.2M
4:31:44
Rank: #23732 (-6)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
4:42:27
Rank: #23703 (+29)
25.2M → Finish
10:43 | 10:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:48
Pace10:17 /mi
2nd Half
Distance13.11 mi
Time2:27:39
Pace11:16 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2832:0010:1832:00
10:18
-
10K
6.21 mi12:21:251:03:5710:1831:57
10:17
-0:01
15K
9.32 mi12:53:021:35:3410:1531:37
10:11
-0:06
20K
12.43 mi13:25:162:07:4810:1732:14
10:22
+0:11
Half
13.11 mi13:32:162:14:4810:177:00
10:16
-0:06
25K
15.53 mi13:58:392:41:1110:2326:23
10:53
+0:37
30K
18.64 mi14:32:433:15:1510:2834:04
10:58
+0:05
20M
20.00 mi14:47:453:30:1710:3115:02
11:04
+0:06
21M
21.00 mi15:01:143:43:4610:3913:29
13:29
+2:25
35K
21.75 mi15:09:473:52:1910:418:33
11:26
-2:03
23M
23.00 mi15:24:284:07:0010:4414:41
11:44
+0:18
24M
24.00 mi15:35:194:17:5110:4510:51
10:51
-0:53
40K
24.85 mi15:44:504:27:2210:459:31
11:08
+0:17
25.2M
25.20 mi15:49:124:31:4410:474:22
12:40
+1:32
Finish
26.22 mi15:59:554:42:2710:4710:43
10:31
-2:09

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

10:11 /mi

Average Pace

10:47 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:48

48% of race

Time at Steady Pace

1:46:34

38% of race

Time at Slower Pace

41:05

15% of race

Average Pace: 10:46 /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 mi11:49:2832:0010:1832:00
10:18
#24218
10K
6.21 mi12:21:251:03:5710:1831:57
10:17
#24247
15K
9.32 mi12:53:021:35:3410:1531:37
10:11
#24124
20K
12.43 mi13:25:162:07:4810:1732:14
10:22
#23986
Half
13.11 mi13:32:162:14:4810:177:00
10:16
#23964
25K
15.53 mi13:58:392:41:1110:2326:23
10:53
#23912
30K
18.64 mi14:32:433:15:1510:2834:04
10:58
#23753
20M
20.00 mi14:47:453:30:1710:3115:02
11:04
#23672
21M
21.00 mi15:01:143:43:4610:3913:29
13:29
#23771
35K
21.75 mi15:09:473:52:1910:418:33
11:26
#23798
23M
23.00 mi15:24:284:07:0010:4414:41
11:44
#23803
24M
24.00 mi15:35:194:17:5110:4510:51
10:51
#23767
40K
24.85 mi15:44:504:27:2210:459:31
11:08
#23726
25.2M
25.20 mi15:49:124:31:4410:474:22
12:40
#23732
Finish
26.22 mi15:59:554:42:2710:4710:43
10:31
#23703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24218141981419823823(Top 89%)14004(Top 92%)14004(Top 265%)
10K6.21 mi3.10 mi24247-2914203-514203-524271(Top 91%)14208(Top 94%)14208(Top 269%)
15K9.32 mi3.11 mi24124+12314146+5714146+5723823(Top 89%)14004(Top 92%)14004(Top 265%)
20K12.43 mi3.11 mi23986+13814082+6414082+6423604(Top 89%)13892(Top 92%)13892(Top 263%)
Half13.11 mi0.68 mi23964+2214072+1014072+1023768(Top 89%)13962(Top 92%)13962(Top 264%)
25K15.53 mi2.42 mi23912+5214037+3514037+3523784(Top 89%)13925(Top 92%)13925(Top 263%)
30K18.64 mi3.11 mi23753+15913950+8713950+8723031(Top 87%)13536(Top 89%)13536(Top 256%)
20M20.00 mi1.36 mi23672+8113899+5113899+5122806(Top 86%)13375(Top 88%)13375(Top 253%)
21M21.00 mi1.00 mi23771-9913937-3813937-3824563(Top 92%)14167(Top 93%)14167(Top 268%)
35K21.75 mi0.75 mi23798-2713944-713944-723995(Top 90%)13846(Top 91%)13846(Top 262%)
23M23.00 mi1.25 mi23803-513940+413940+423613(Top 89%)13681(Top 90%)13681(Top 259%)
24M24.00 mi1.00 mi23767+3613915+2513915+2522755(Top 85%)13232(Top 87%)13232(Top 250%)
40K24.85 mi0.85 mi23726+4113890+2513890+2522612(Top 85%)13135(Top 87%)13135(Top 249%)
25.2M25.20 mi0.35 mi23732-613887+313887+323514(Top 88%)13557(Top 89%)13557(Top 257%)
Finish26.22 mi1.02 mi23703+2913865+2213865+2223024(Top 86%)13347(Top 88%)13347(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23823

Males

14004

M18-39

14004

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24271

Males

14208

M18-39

14208

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23823

Males

14004

M18-39

14004

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23604

Males

13892

M18-39

13892

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23768

Males

13962

M18-39

13962

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23784

Males

13925

M18-39

13925

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23031

Males

13536

M18-39

13536

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22806

Males

13375

M18-39

13375

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24563

Males

14167

M18-39

14167

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

23995

Males

13846

M18-39

13846

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23613

Males

13681

M18-39

13681

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22755

Males

13232

M18-39

13232

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22612

Males

13135

M18-39

13135

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23514

Males

13557

M18-39

13557

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

23024

Males

13347

M18-39

13347

Passing Analysis

Category:
Athletes Passed
1238
Passed By
723
Net Change
+515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24218
5K → 10K181210-29#24218#24247
10K → 15K19774+123#24247#24124
15K → 20K18648+138#24124#23986
20K → Half3715+22#23986#23964
Half → 25K10553+52#23964#23912
25K → 30K20142+159#23912#23753
30K → 20M10019+81#23753#23672
20M → 21M19118-99#23672#23771
21M → 35K1542-27#23771#23798
35K → 23M4651-5#23798#23803
23M → 24M448+36#23803#23767
24M → 40K498+41#23767#23726
40K → 25.2M1420-6#23726#23732
25.2M → Finish4415+29#23732#23703
TOTALS1238723+515
📊

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