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BOSTON MARATHON 2023

Chris Roper

Bib: 11881•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M50-54)
#0 / 2052
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:30/mi
1:09:54
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:33:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:38:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:34/mi
1:57:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:21:05
↑ 181↓ 1480.2%
20M
7:48/mi
2:31:41
↑ 64↓ 500.2%
21M
8:20/mi
2:40:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:45:47
↑ 17↓ 861.7%
23M
8:03/mi
2:55:52
↑ 23↓ 630.6%
24M
7:51/mi
3:03:43
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:10:45
↓ 200.3%
25.2M
8:25/mi
3:13:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:21:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:40
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:42:53
Pace7:51 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0923:307:3423:30
7:34
-
10K
6.21 mi11:14:1646:377:3023:07
7:26
-0:08
15K
9.32 mi11:37:331:09:547:3023:17
7:30
+0:04
20K
12.43 mi12:01:091:33:307:3123:36
7:36
+0:06
Half
13.11 mi12:06:191:38:407:325:10
7:34
-0:02
25K
15.53 mi12:24:391:57:007:3218:20
7:34
0:00
30K
18.64 mi12:48:442:21:057:3424:05
7:45
+0:11
20M
20.00 mi12:59:202:31:417:3510:36
7:48
+0:03
21M
21.00 mi13:07:402:40:017:378:20
8:20
+0:32
35K
21.75 mi13:13:262:45:477:375:46
7:42
-0:38
23M
23.00 mi13:23:312:55:527:3910:05
8:03
+0:21
24M
24.00 mi13:31:223:03:437:397:51
7:51
-0:12
40K
24.85 mi13:38:243:10:457:407:02
8:14
+0:23
25.2M
25.20 mi13:41:183:13:397:412:54
8:25
+0:11
Finish
26.22 mi13:49:123:21:337:427:54
7:45
-0:40

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

7:26 /mi

Average Pace

7:42 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:17

91% of race

Time at Steady Pace

18:16

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi10:51:0923:307:3423:30
7:34
#10189
10K
6.21 mi11:14:1646:377:3023:07
7:26
#10037
15K
9.32 mi11:37:331:09:547:3023:17
7:30
#10038
20K
12.43 mi12:01:091:33:307:3123:36
7:36
#10035
Half
13.11 mi12:06:191:38:407:325:10
7:34
#10060
25K
15.53 mi12:24:391:57:007:3218:20
7:34
#9900
30K
18.64 mi12:48:442:21:057:3424:05
7:45
#9726
20M
20.00 mi12:59:202:31:417:3510:36
7:48
#9625
21M
21.00 mi13:07:402:40:017:378:20
8:20
#9583
35K
21.75 mi13:13:262:45:477:375:46
7:42
#9587
23M
23.00 mi13:23:312:55:527:3910:05
8:03
#9581
24M
24.00 mi13:31:223:03:437:397:51
7:51
#9586
40K
24.85 mi13:38:243:10:457:407:02
8:14
#9621
25.2M
25.20 mi13:41:183:13:397:412:54
8:25
#9592
Finish
26.22 mi13:49:123:21:337:427:54
7:45
#9598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi101898229822910117(Top 38%)8204(Top 54%)8204(Top 400%)
10K6.21 mi3.10 mi10037+1528167+628167+629972(Top 37%)8156(Top 54%)8156(Top 397%)
15K9.32 mi3.11 mi10038-18180-138180-1310117(Top 38%)8204(Top 54%)8204(Top 400%)
20K12.43 mi3.11 mi10035+38179+18179+110055(Top 38%)8101(Top 53%)8101(Top 395%)
Half13.11 mi0.68 mi10060-258183-48183-410738(Top 40%)8464(Top 56%)8464(Top 412%)
25K15.53 mi2.42 mi9900+1608075+1088075+1089240(Top 35%)7579(Top 50%)7579(Top 369%)
30K18.64 mi3.11 mi9726+1747943+1327943+1328998(Top 34%)7282(Top 48%)7282(Top 355%)
20M20.00 mi1.36 mi9625+1017851+927851+928845(Top 33%)7104(Top 47%)7104(Top 346%)
21M21.00 mi1.00 mi9583+427812+397812+399401(Top 35%)7288(Top 48%)7288(Top 355%)
35K21.75 mi0.75 mi9587-47796+167796+169952(Top 37%)7606(Top 50%)7606(Top 371%)
23M23.00 mi1.25 mi9581+67758+387758+3810110(Top 38%)7541(Top 50%)7541(Top 367%)
24M24.00 mi1.00 mi9586-57738+207738+2010123(Top 38%)7457(Top 49%)7457(Top 363%)
40K24.85 mi0.85 mi9621-357732+67732+611496(Top 43%)8062(Top 53%)8062(Top 393%)
25.2M25.20 mi0.35 mi9592+297700+327700+328925(Top 34%)6698(Top 44%)6698(Top 326%)
Finish26.22 mi1.02 mi9598-67670+307670+3010293(Top 39%)7438(Top 49%)7438(Top 362%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10117

Males

8204

M50-54

8204

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9972

Males

8156

M50-54

8156

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10117

Males

8204

M50-54

8204

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10055

Males

8101

M50-54

8101

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10738

Males

8464

M50-54

8464

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9240

Males

7579

M50-54

7579

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8998

Males

7282

M50-54

7282

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8845

Males

7104

M50-54

7104

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9401

Males

7288

M50-54

7288

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9952

Males

7606

M50-54

7606

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10110

Males

7541

M50-54

7541

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10123

Males

7457

M50-54

7457

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11496

Males

8062

M50-54

8062

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8925

Males

6698

M50-54

6698

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10293

Males

7438

M50-54

7438

Passing Analysis

Category:
Athletes Passed
1809*
Passed By
1217
Net Change
+591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10189
5K → 10K381*229+152#10189#10037
10K → 15K187187-1#10037#10038
15K → 20K184*181+3#10038#10035
20K → Half1641-25#10035#10060
Half → 25K199*39+160#10060#9900
25K → 30K247*73+174#9900#9726
30K → 20M13736+101#9726#9625
20M → 21M9149+42#9625#9583
21M → 35K4650-4#9583#9587
35K → 23M9690+6#9587#9581
23M → 24M6166-5#9581#9586
24M → 40K47*82-35#9586#9621
40K → 25.2M4920+29#9621#9592
25.2M → Finish6874-6#9592#9598
TOTALS1809*1217+591

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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