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BOSTON MARATHON 2023

Andrew Baxter

Bib: 11848•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M45-49)
#0 / 2252
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
7:38/mi
23:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
46:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:09:33
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:33:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:38:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:41/mi
1:56:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:21:56
↑ 181↓ 1480.2%
20M
8:13/mi
2:33:06
↑ 64↓ 500.2%
21M
8:37/mi
2:41:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:47:47
↑ 17↓ 861.7%
23M
8:21/mi
2:58:14
↑ 23↓ 630.6%
24M
8:13/mi
3:06:27
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:13:46
↓ 200.3%
25.2M
9:11/mi
3:16:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:25:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:06
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5323:447:3823:44
7:38
-
10K
6.21 mi11:13:4346:347:3022:50
7:21
-0:17
15K
9.32 mi11:36:421:09:337:2822:59
7:24
+0:03
20K
12.43 mi12:00:111:33:027:2923:29
7:34
+0:10
Half
13.11 mi12:05:151:38:067:295:04
7:26
-0:08
25K
15.53 mi12:23:531:56:447:3118:38
7:41
+0:15
30K
18.64 mi12:49:052:21:567:3725:12
8:07
+0:26
20M
20.00 mi13:00:152:33:067:3911:10
8:13
+0:06
21M
21.00 mi13:08:522:41:437:428:37
8:37
+0:24
35K
21.75 mi13:14:562:47:477:436:04
8:07
-0:30
23M
23.00 mi13:25:232:58:147:4510:27
8:21
+0:14
24M
24.00 mi13:33:363:06:277:468:13
8:13
-0:08
40K
24.85 mi13:40:553:13:467:487:19
8:33
+0:20
25.2M
25.20 mi13:44:053:16:567:493:10
9:11
+0:38
Finish
26.22 mi13:52:373:25:287:518:32
8:22
-0:49

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

7:21 /mi

Average Pace

7:51 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:44

57% of race

Time at Steady Pace

1:09:38

34% of race

Time at Slower Pace

19:06

9% of race

Average Pace: 7:50 /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 mi10:50:5323:447:3823:44
7:38
#10907
10K
6.21 mi11:13:4346:347:3022:50
7:21
#9969
15K
9.32 mi11:36:421:09:337:2822:59
7:24
#9701
20K
12.43 mi12:00:111:33:027:2923:29
7:34
#9697
Half
13.11 mi12:05:151:38:067:295:04
7:26
#9691
25K
15.53 mi12:23:531:56:447:3118:38
7:41
#9773
30K
18.64 mi12:49:052:21:567:3725:12
8:07
#10081
20M
20.00 mi13:00:152:33:067:3911:10
8:13
#10201
21M
21.00 mi13:08:522:41:437:428:37
8:37
#10222
35K
21.75 mi13:14:562:47:477:436:04
8:07
#10313
23M
23.00 mi13:25:232:58:147:4510:27
8:21
#10392
24M
24.00 mi13:33:363:06:277:468:13
8:13
#10492
40K
24.85 mi13:40:553:13:467:487:19
8:33
#10596
25.2M
25.20 mi13:44:053:16:567:493:10
9:11
#10642
Finish
26.22 mi13:52:373:25:287:518:32
8:22
#10807
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10907861286129315(Top 35%)7751(Top 51%)7751(Top 344%)
10K6.21 mi3.10 mi9969+9388128+4848128+4849225(Top 35%)7711(Top 51%)7711(Top 342%)
15K9.32 mi3.11 mi9701+2687978+1507978+1509315(Top 35%)7751(Top 51%)7751(Top 344%)
20K12.43 mi3.11 mi9697+47982-47982-49766(Top 37%)7941(Top 52%)7941(Top 353%)
Half13.11 mi0.68 mi9691+67976+67976+69609(Top 36%)7890(Top 52%)7890(Top 350%)
25K15.53 mi2.42 mi9773-828008-328008-3210187(Top 38%)8095(Top 53%)8095(Top 359%)
30K18.64 mi3.11 mi10081-3088139-1318139-13111711(Top 44%)8672(Top 57%)8672(Top 385%)
20M20.00 mi1.36 mi10201-1208164-258164-2511789(Top 44%)8616(Top 57%)8616(Top 383%)
21M21.00 mi1.00 mi10222-218154+108154+1011129(Top 42%)8178(Top 54%)8178(Top 363%)
35K21.75 mi0.75 mi10313-918182-288182-2812804(Top 48%)8891(Top 59%)8891(Top 395%)
23M23.00 mi1.25 mi10392-798184-28184-212192(Top 46%)8548(Top 56%)8548(Top 380%)
24M24.00 mi1.00 mi10492-1008201-178201-1712691(Top 48%)8706(Top 57%)8706(Top 387%)
40K24.85 mi0.85 mi10596-1048215-148215-1413660(Top 51%)9080(Top 60%)9080(Top 403%)
25.2M25.20 mi0.35 mi10642-468240-258240-2513465(Top 51%)8958(Top 59%)8958(Top 398%)
Finish26.22 mi1.02 mi10807-1658291-518291-5114527(Top 55%)9496(Top 63%)9496(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9315

Males

7751

M45-49

7751

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9225

Males

7711

M45-49

7711

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9315

Males

7751

M45-49

7751

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9766

Males

7941

M45-49

7941

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9609

Males

7890

M45-49

7890

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10187

Males

8095

M45-49

8095

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11711

Males

8672

M45-49

8672

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11789

Males

8616

M45-49

8616

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11129

Males

8178

M45-49

8178

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12804

Males

8891

M45-49

8891

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12192

Males

8548

M45-49

8548

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12691

Males

8706

M45-49

8706

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13660

Males

9080

M45-49

9080

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13465

Males

8958

M45-49

8958

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14527

Males

9496

M45-49

9496

Passing Analysis

Category:
Athletes Passed
2004*
Passed By
1904
Net Change
+100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10907
5K → 10K971*33+938#10907#9969
10K → 15K33870+268#9969#9701
15K → 20K151147+4#9701#9697
20K → Half2418+6#9697#9691
Half → 25K103185-82#9691#9773
25K → 30K78386-308#9773#10081
30K → 20M51171-120#10081#10201
20M → 21M7899-21#10201#10222
21M → 35K24115-91#10222#10313
35K → 23M62141-79#10313#10392
23M → 24M34134-100#10392#10492
24M → 40K42146-104#10492#10596
40K → 25.2M1965-46#10596#10642
25.2M → Finish29194-165#10642#10807
TOTALS2004*1904+100

* 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