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BOSTON MARATHON 2023

Daniel Lindstrom

Bib: 31830•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:09:46
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:33:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:38:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:57:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:22:31
↑ 181↓ 1480.2%
20M
8:15/mi
2:33:43
↑ 64↓ 500.2%
21M
8:15/mi
2:41:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:47:37
↑ 17↓ 861.7%
23M
7:58/mi
2:57:35
↑ 23↓ 630.6%
24M
7:44/mi
3:05:19
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:12:04
↓ 200.3%
25.2M
8:13/mi
3:14:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:22:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:43:40
Pace7:54 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:0122:577:2322:57
7:23
-
10K
6.21 mi12:01:0646:027:2523:05
7:26
+0:03
15K
9.32 mi12:24:501:09:467:2923:44
7:38
+0:12
20K
12.43 mi12:48:401:33:367:3223:50
7:40
+0:02
Half
13.11 mi12:53:461:38:427:325:06
7:29
-0:11
25K
15.53 mi13:12:421:57:387:3418:56
7:49
+0:20
30K
18.64 mi13:37:352:22:317:3924:53
8:01
+0:12
20M
20.00 mi13:48:472:33:437:4111:12
8:15
+0:14
21M
21.00 mi13:57:022:41:587:438:15
8:15
0:00
35K
21.75 mi14:02:412:47:377:425:39
7:33
-0:42
23M
23.00 mi14:12:392:57:357:439:58
7:58
+0:25
24M
24.00 mi14:20:233:05:197:437:44
7:44
-0:14
40K
24.85 mi14:27:083:12:047:446:45
7:54
+0:10
25.2M
25.20 mi14:29:583:14:547:442:50
8:13
+0:19
Finish
26.22 mi14:37:263:22:227:437:28
7:20
-0:53

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

7:20 /mi

Average Pace

7:43 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:05

89% of race

Time at Steady Pace

22:17

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:38:0122:577:2322:57
7:23
#8725
10K
6.21 mi12:01:0646:027:2523:05
7:26
#9237
15K
9.32 mi12:24:501:09:467:2923:44
7:38
#9902
20K
12.43 mi12:48:401:33:367:3223:50
7:40
#10100
Half
13.11 mi12:53:461:38:427:325:06
7:29
#10084
25K
15.53 mi13:12:421:57:387:3418:56
7:49
#10248
30K
18.64 mi13:37:352:22:317:3924:53
8:01
#10324
20M
20.00 mi13:48:472:33:437:4111:12
8:15
#10450
21M
21.00 mi13:57:022:41:587:438:15
8:15
#10324
35K
21.75 mi14:02:412:47:377:425:39
7:33
#10254
23M
23.00 mi14:12:392:57:357:439:58
7:58
#10176
24M
24.00 mi14:20:233:05:197:437:44
7:44
#10116
40K
24.85 mi14:27:083:12:047:446:45
7:54
#10052
25.2M
25.20 mi14:29:583:14:547:442:50
8:13
#9995
Finish
26.22 mi14:37:263:22:227:437:28
7:20
#9844
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi87257434743411326(Top 43%)8778(Top 58%)8778(Top 390%)
10K6.21 mi3.10 mi9237-5127714-2807714-2809877(Top 37%)8102(Top 53%)8102(Top 360%)
15K9.32 mi3.11 mi9902-6658106-3928106-39211326(Top 43%)8778(Top 58%)8778(Top 390%)
20K12.43 mi3.11 mi10100-1988207-1018207-10110667(Top 40%)8411(Top 55%)8411(Top 373%)
Half13.11 mi0.68 mi10084+168196+118196+119980(Top 37%)8090(Top 53%)8090(Top 359%)
25K15.53 mi2.42 mi10248-1648262-668262-6611139(Top 42%)8563(Top 56%)8563(Top 380%)
30K18.64 mi3.11 mi10324-768244+188244+1810965(Top 41%)8328(Top 55%)8328(Top 370%)
20M20.00 mi1.36 mi10450-1268288-448288-4412007(Top 45%)8700(Top 57%)8700(Top 386%)
21M21.00 mi1.00 mi10324+1268201+878201+878851(Top 33%)6966(Top 46%)6966(Top 309%)
35K21.75 mi0.75 mi10254+708150+518150+518901(Top 33%)7025(Top 46%)7025(Top 312%)
23M23.00 mi1.25 mi10176+788076+748076+749467(Top 36%)7213(Top 48%)7213(Top 320%)
24M24.00 mi1.00 mi10116+608023+538023+539282(Top 35%)7034(Top 46%)7034(Top 312%)
40K24.85 mi0.85 mi10052+647955+687955+689284(Top 35%)6970(Top 46%)6970(Top 310%)
25.2M25.20 mi0.35 mi9995+577907+487907+487771(Top 29%)6047(Top 40%)6047(Top 269%)
Finish26.22 mi1.02 mi9844+1517808+997808+997302(Top 27%)5757(Top 38%)5757(Top 256%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11326

Males

8778

M45-49

8778

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9877

Males

8102

M45-49

8102

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11326

Males

8778

M45-49

8778

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10667

Males

8411

M45-49

8411

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9980

Males

8090

M45-49

8090

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11139

Males

8563

M45-49

8563

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10965

Males

8328

M45-49

8328

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12007

Males

8700

M45-49

8700

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8851

Males

6966

M45-49

6966

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8901

Males

7025

M45-49

7025

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9467

Males

7213

M45-49

7213

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9282

Males

7034

M45-49

7034

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9284

Males

6970

M45-49

6970

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7771

Males

6047

M45-49

6047

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7302

Males

5757

M45-49

5757

Passing Analysis

Category:
Athletes Passed
1319*
Passed By
2438
Net Change
-1119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8725
5K → 10K97609-512#8725#9237
10K → 15K39704-665#9237#9902
15K → 20K100298-198#9902#10100
20K → Half45*29+16#10100#10084
Half → 25K80244-164#10084#10248
25K → 30K131207-76#10248#10324
30K → 20M44*170-126#10324#10450
20M → 21M15630+126#10450#10324
21M → 35K8616+70#10324#10254
35K → 23M11840+78#10254#10176
23M → 24M9434+60#10176#10116
24M → 40K9733+64#10116#10052
40K → 25.2M64*7+57#10052#9995
25.2M → Finish168*17+151#9995#9844
TOTALS1319*2438-1119

* 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