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BOSTON MARATHON 2023

Peter Gifford

Bib: 5619•M

MT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
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
21:10
Rank: #4796
Start → 5K
6:49/mi
21:10 split
10K· 6.21 mi
42:05
Rank: #4722 (+74)
5K → 10K
6:44/mi
20:55 split
15K· 9.32 mi
1:03:06
Rank: #4702 (+20)
10K → 15K
6:46/mi
21:01 split
20K· 12.43 mi
1:24:25
Rank: #4765 (-63)
15K → 20K
6:52/mi
21:19 split
Half· 13.11 mi
1:28:54
Rank: #4663 (+102)
20K → Half
6:34/mi
4:29 split
25K· 15.53 mi
1:45:38
Rank: #4699 (-36)
Half → 25K
6:54/mi
16:44 split
30K· 18.64 mi
2:07:30
Rank: #4668 (+31)
25K → 30K
7:02/mi
21:52 split
20M
2:17:08
Rank: #4647 (+21)
30K → 20M
7:05/mi
9:38 split
21M
2:24:46
Rank: #4686 (-39)
20M → 21M
7:38/mi
7:38 split
35K· 21.75 mi
2:29:56
Rank: #4677 (+9)
21M → 35K
6:54/mi
5:10 split
23M
2:38:52
Rank: #4641 (+36)
35K → 23M
7:08/mi
8:56 split
24M
2:45:53
Rank: #4620 (+21)
23M → 24M
7:01/mi
7:01 split
40K· 24.85 mi
2:52:08
Rank: #4637 (-17)
24M → 40K
7:19/mi
6:15 split
25.2M
2:54:49
Rank: #4633 (+4)
40K → 25.2M
7:47/mi
2:41 split
Finish· 26.22 mi
3:01:54
Rank: #4600 (+33)
25.2M → Finish
6:57/mi
7:05 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:54
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:33:00
Pace7:06 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5421:106:4921:10
6:49
-
10K
6.21 mi10:44:4942:056:4620:55
6:44
-0:05
15K
9.32 mi11:05:501:03:066:4621:01
6:46
+0:02
20K
12.43 mi11:27:091:24:256:4821:19
6:52
+0:06
Half
13.11 mi11:31:381:28:546:474:29
6:34
-0:18
25K
15.53 mi11:48:221:45:386:4816:44
6:54
+0:20
30K
18.64 mi12:10:142:07:306:5021:52
7:02
+0:08
20M
20.00 mi12:19:522:17:086:519:38
7:05
+0:03
21M
21.00 mi12:27:302:24:466:547:38
7:38
+0:33
35K
21.75 mi12:32:402:29:566:545:10
6:54
-0:44
23M
23.00 mi12:41:362:38:526:548:56
7:08
+0:14
24M
24.00 mi12:48:372:45:536:557:01
7:01
-0:07
40K
24.85 mi12:54:522:52:086:566:15
7:19
+0:18
25.2M
25.20 mi12:57:332:54:496:562:41
7:47
+0:28
Finish
26.22 mi13:04:383:01:546:577:05
6:57
-0:50

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

6:34 /mi

Average Pace

6:57 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:20

91% of race

Time at Steady Pace

13:53

8% of race

Time at Slower Pace

2:41

1% of race

Average Pace: 6:56 /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 mi10:23:5421:106:4921:10
6:49
#4796
10K
6.21 mi10:44:4942:056:4620:55
6:44
#4722
15K
9.32 mi11:05:501:03:066:4621:01
6:46
#4702
20K
12.43 mi11:27:091:24:256:4821:19
6:52
#4765
Half
13.11 mi11:31:381:28:546:474:29
6:34
#4663
25K
15.53 mi11:48:221:45:386:4816:44
6:54
#4699
30K
18.64 mi12:10:142:07:306:5021:52
7:02
#4668
20M
20.00 mi12:19:522:17:086:519:38
7:05
#4647
21M
21.00 mi12:27:302:24:466:547:38
7:38
#4686
35K
21.75 mi12:32:402:29:566:545:10
6:54
#4677
23M
23.00 mi12:41:362:38:526:548:56
7:08
#4641
24M
24.00 mi12:48:372:45:536:557:01
7:01
#4620
40K
24.85 mi12:54:522:52:086:566:15
7:19
#4637
25.2M
25.20 mi12:57:332:54:496:562:41
7:47
#4633
Finish
26.22 mi13:04:383:01:546:577:05
6:57
#4600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4796446244624756(Top 18%)4432(Top 29%)4432(Top 84%)
10K6.21 mi3.10 mi4722+744403+594403+594655(Top 17%)4339(Top 29%)4339(Top 82%)
15K9.32 mi3.11 mi4702+204380+234380+234756(Top 18%)4432(Top 29%)4432(Top 84%)
20K12.43 mi3.11 mi4765-634444-644444-645006(Top 19%)4639(Top 31%)4639(Top 88%)
Half13.11 mi0.68 mi4663+1024351+934351+933276(Top 12%)3126(Top 21%)3126(Top 59%)
25K15.53 mi2.42 mi4699-364377-264377-264962(Top 19%)4591(Top 30%)4591(Top 87%)
30K18.64 mi3.11 mi4668+314353+244353+244590(Top 17%)4249(Top 28%)4249(Top 80%)
20M20.00 mi1.36 mi4647+214333+204333+204547(Top 17%)4172(Top 27%)4172(Top 79%)
21M21.00 mi1.00 mi4686-394365-324365-325250(Top 20%)4646(Top 31%)4646(Top 88%)
35K21.75 mi0.75 mi4677+94354+114354+114795(Top 18%)4331(Top 29%)4331(Top 82%)
23M23.00 mi1.25 mi4641+364315+394315+394474(Top 17%)4060(Top 27%)4060(Top 77%)
24M24.00 mi1.00 mi4620+214301+144301+144741(Top 18%)4232(Top 28%)4232(Top 80%)
40K24.85 mi0.85 mi4637-174309-84309-85483(Top 21%)4670(Top 31%)4670(Top 88%)
25.2M25.20 mi0.35 mi4633+44304+54304+55233(Top 20%)4413(Top 29%)4413(Top 84%)
Finish26.22 mi1.02 mi4600+334269+354269+354908(Top 18%)4205(Top 28%)4205(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4756

Males

4432

M18-39

4432

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4655

Males

4339

M18-39

4339

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4756

Males

4432

M18-39

4432

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5006

Males

4639

M18-39

4639

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3276

Males

3126

M18-39

3126

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

4962

Males

4591

M18-39

4591

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4590

Males

4249

M18-39

4249

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4547

Males

4172

M18-39

4172

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5250

Males

4646

M18-39

4646

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4795

Males

4331

M18-39

4331

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4474

Males

4060

M18-39

4060

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4741

Males

4232

M18-39

4232

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5483

Males

4670

M18-39

4670

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5233

Males

4413

M18-39

4413

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4908

Males

4205

M18-39

4205

Passing Analysis

Category:
Athletes Passed
1202
Passed By
1006
Net Change
+196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4796
5K → 10K246172+74#4796#4722
10K → 15K11898+20#4722#4702
15K → 20K79142-63#4702#4765
20K → Half1031+102#4765#4663
Half → 25K95131-36#4663#4699
25K → 30K141110+31#4699#4668
30K → 20M7756+21#4668#4647
20M → 21M4382-39#4647#4686
21M → 35K4334+9#4686#4677
35K → 23M8448+36#4677#4641
23M → 24M5433+21#4641#4620
24M → 40K3855-17#4620#4637
40K → 25.2M2117+4#4637#4633
25.2M → Finish6027+33#4633#4600
TOTALS12021006+196
📊

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