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BOSTON MARATHON 2023

Greg Peterson

Bib: 1981•M

ON

Masters
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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Masters (Masters Men)
#0 / 9891
Top 2%
Age Group (M40-44)
#0 / 2241
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #1216
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:40
Rank: #1261 (-45)
5K → 10K
19:18 | 6:13/mi
15K· 9.32 mi
58:11
Rank: #1339 (-78)
10K → 15K
19:31 | 6:17/mi
20K· 12.43 mi
1:18:05
Rank: #1443 (-104)
15K → 20K
19:54 | 6:24/mi
Half· 13.11 mi
1:22:22
Rank: #1451 (-8)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:37:56
Rank: #1509 (-58)
Half → 25K
15:34 | 6:25/mi
30K· 18.64 mi
1:58:42
Rank: #1618 (-109)
25K → 30K
20:46 | 6:41/mi
20M
2:07:39
Rank: #1620 (-2)
30K → 20M
8:57 | 6:35/mi
21M
2:14:35
Rank: #1602 (+18)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:19:17
Rank: #1588 (+14)
21M → 35K
4:42 | 6:17/mi
23M
2:27:33
Rank: #1587 (+1)
35K → 23M
8:16 | 6:36/mi
24M
2:33:43
Rank: #1529 (+58)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:39:10
Rank: #1489 (+40)
24M → 40K
5:27 | 6:22/mi
25.2M
2:41:29
Rank: #1480 (+9)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:47:53
Rank: #1461 (+19)
25.2M → Finish
6:24 | 6:17/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:22:22
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:25:31
Pace6:31 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4319:226:1419:22
6:14
-
10K
6.21 mi10:39:0138:406:1319:18
6:13
-0:01
15K
9.32 mi10:58:3258:116:1519:31
6:17
+0:04
20K
12.43 mi11:18:261:18:056:1719:54
6:24
+0:07
Half
13.11 mi11:22:431:22:226:174:17
6:17
-0:07
25K
15.53 mi11:38:171:37:566:1815:34
6:25
+0:08
30K
18.64 mi11:59:031:58:426:2220:46
6:41
+0:16
20M
20.00 mi12:08:002:07:396:238:57
6:35
-0:06
21M
21.00 mi12:14:562:14:356:256:56
6:56
+0:21
35K
21.75 mi12:19:382:19:176:244:42
6:17
-0:39
23M
23.00 mi12:27:542:27:336:258:16
6:36
+0:19
24M
24.00 mi12:34:042:33:436:246:10
6:10
-0:26
40K
24.85 mi12:39:312:39:106:245:27
6:22
+0:12
25.2M
25.20 mi12:41:502:41:296:242:19
6:43
+0:21
Finish
26.22 mi12:48:142:47:536:246:24
6:17
-0:26

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:10 /mi

Average Pace

6:24 /mi

Slowest Pace

6:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:40:57

96% of race

Time at Steady Pace

6:56

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:4319:226:1419:22
6:14
#1216
10K
6.21 mi10:39:0138:406:1319:18
6:13
#1261
15K
9.32 mi10:58:3258:116:1519:31
6:17
#1339
20K
12.43 mi11:18:261:18:056:1719:54
6:24
#1443
Half
13.11 mi11:22:431:22:226:174:17
6:17
#1451
25K
15.53 mi11:38:171:37:566:1815:34
6:25
#1509
30K
18.64 mi11:59:031:58:426:2220:46
6:41
#1618
20M
20.00 mi12:08:002:07:396:238:57
6:35
#1620
21M
21.00 mi12:14:562:14:356:256:56
6:56
#1602
35K
21.75 mi12:19:382:19:176:244:42
6:17
#1588
23M
23.00 mi12:27:542:27:336:258:16
6:36
#1587
24M
24.00 mi12:34:042:33:436:246:10
6:10
#1529
40K
24.85 mi12:39:312:39:106:245:27
6:22
#1489
25.2M
25.20 mi12:41:502:41:296:242:19
6:43
#1480
Finish
26.22 mi12:48:142:47:536:246:24
6:17
#1461
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1216115311531567(Top 6%)1495(Top 10%)1495(Top 67%)
10K6.21 mi3.10 mi1261-451196-431196-431402(Top 5%)1337(Top 9%)1337(Top 60%)
15K9.32 mi3.11 mi1339-781275-791275-791567(Top 6%)1495(Top 10%)1495(Top 67%)
20K12.43 mi3.11 mi1443-1041376-1011376-1011810(Top 7%)1733(Top 11%)1733(Top 77%)
Half13.11 mi0.68 mi1451-81384-81384-81681(Top 6%)1611(Top 11%)1611(Top 72%)
25K15.53 mi2.42 mi1509-581441-571441-571800(Top 7%)1723(Top 11%)1723(Top 77%)
30K18.64 mi3.11 mi1618-1091549-1081549-1082313(Top 9%)2204(Top 15%)2204(Top 98%)
20M20.00 mi1.36 mi1620-2154915491782(Top 7%)1698(Top 11%)1698(Top 76%)
21M21.00 mi1.00 mi1602+181531+181531+181868(Top 7%)1774(Top 12%)1774(Top 79%)
35K21.75 mi0.75 mi1588+141518+131518+131503(Top 6%)1427(Top 9%)1427(Top 64%)
23M23.00 mi1.25 mi1587+11517+11517+11766(Top 7%)1675(Top 11%)1675(Top 75%)
24M24.00 mi1.00 mi1529+581460+571460+57926(Top 3%)877(Top 6%)877(Top 39%)
40K24.85 mi0.85 mi1489+401421+391421+391127(Top 4%)1066(Top 7%)1066(Top 48%)
25.2M25.20 mi0.35 mi1480+91413+81413+8948(Top 4%)904(Top 6%)904(Top 40%)
Finish26.22 mi1.02 mi1461+191394+191394+191534(Top 6%)1449(Top 10%)1449(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1567

Males

1495

M40-44

1495

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1402

Males

1337

M40-44

1337

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1567

Males

1495

M40-44

1495

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1810

Males

1733

M40-44

1733

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1681

Males

1611

M40-44

1611

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1800

Males

1723

M40-44

1723

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2313

Males

2204

M40-44

2204

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1782

Males

1698

M40-44

1698

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1868

Males

1774

M40-44

1774

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1503

Males

1427

M40-44

1427

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1766

Males

1675

M40-44

1675

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

926

Males

877

M40-44

877

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1127

Males

1066

M40-44

1066

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

948

Males

904

M40-44

904

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1534

Males

1449

M40-44

1449

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
400
Passed By
645
Net Change
-245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1216
5K → 10K4893-45#1216#1261
10K → 15K2098-78#1261#1339
15K → 20K21125-104#1339#1443
20K → Half311-8#1443#1451
Half → 25K2179-58#1451#1509
25K → 30K26135-109#1509#1618
30K → 20M2022-2#1618#1620
20M → 21M3618+18#1620#1602
21M → 35K206+14#1602#1588
35K → 23M2827+1#1588#1587
23M → 24M602+58#1587#1529
24M → 40K488+40#1529#1489
40K → 25.2M156+9#1489#1480
25.2M → Finish3415+19#1480#1461
TOTALS400645-245
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing