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BOSTON MARATHON 2023

Mattias Gunnarsson

Bib: 27408•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
8:26/mi
26:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:23/mi
52:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:17:49
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:43:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:49:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:09:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:37:07
↑ 181↓ 1480.2%
20M
8:54/mi
2:49:13
↑ 64↓ 500.2%
21M
9:31/mi
2:58:44
↑ 106↓ 241.6%
35K· 21.75 mi
9:01/mi
3:05:29
↑ 17↓ 861.7%
23M
9:05/mi
3:16:52
↑ 23↓ 630.6%
24M
8:58/mi
3:25:50
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:33:33
↓ 200.3%
25.2M
9:43/mi
3:36:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:45:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:13
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:56:38
Pace8:54 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3526:128:2626:12
8:26
-
10K
6.21 mi12:09:3852:158:2526:03
8:23
-0:03
15K
9.32 mi12:35:121:17:498:2125:34
8:14
-0:09
20K
12.43 mi13:00:571:43:348:2025:45
8:17
+0:03
Half
13.11 mi13:06:361:49:138:205:39
8:17
0:00
25K
15.53 mi13:27:112:09:488:2120:35
8:29
+0:12
30K
18.64 mi13:54:302:37:078:2627:19
8:48
+0:19
20M
20.00 mi14:06:362:49:138:2812:06
8:54
+0:06
21M
21.00 mi14:16:072:58:448:319:31
9:31
+0:37
35K
21.75 mi14:22:523:05:298:326:45
9:01
-0:30
23M
23.00 mi14:34:153:16:528:3411:23
9:05
+0:04
24M
24.00 mi14:43:133:25:508:358:58
8:58
-0:07
40K
24.85 mi14:50:563:33:338:367:43
9:02
+0:04
25.2M
25.20 mi14:54:173:36:548:363:21
9:43
+0:41
Finish
26.22 mi15:03:143:45:518:378:57
8:47
-0:56

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

8:14 /mi

Average Pace

8:37 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:36

89% of race

Time at Steady Pace

20:54

9% of race

Time at Slower Pace

3:21

1% of race

Average Pace: 8:37 /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 mi11:43:3526:128:2626:12
8:26
#17098
10K
6.21 mi12:09:3852:158:2526:03
8:23
#17265
15K
9.32 mi12:35:121:17:498:2125:34
8:14
#16845
20K
12.43 mi13:00:571:43:348:2025:45
8:17
#16512
Half
13.11 mi13:06:361:49:138:205:39
8:17
#16500
25K
15.53 mi13:27:112:09:488:2120:35
8:29
#16440
30K
18.64 mi13:54:302:37:078:2627:19
8:48
#16347
20M
20.00 mi14:06:362:49:138:2812:06
8:54
#16289
21M
21.00 mi14:16:072:58:448:319:31
9:31
#16261
35K
21.75 mi14:22:523:05:298:326:45
9:01
#16326
23M
23.00 mi14:34:153:16:528:3411:23
9:05
#16331
24M
24.00 mi14:43:133:25:508:358:58
8:58
#16356
40K
24.85 mi14:50:563:33:338:367:43
9:02
#16328
25.2M
25.20 mi14:54:173:36:548:363:21
9:43
#16329
Finish
26.22 mi15:03:143:45:518:378:57
8:47
#16337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17098110801108016059(Top 60%)10715(Top 71%)10715(Top 522%)
10K6.21 mi3.10 mi17265-16711148-6811148-6817478(Top 66%)11285(Top 74%)11285(Top 550%)
15K9.32 mi3.11 mi16845+42011003+14511003+14516059(Top 60%)10715(Top 71%)10715(Top 522%)
20K12.43 mi3.11 mi16512+33310872+13110872+13115532(Top 58%)10464(Top 69%)10464(Top 510%)
Half13.11 mi0.68 mi16500+1210866+610866+616327(Top 61%)10813(Top 71%)10813(Top 527%)
25K15.53 mi2.42 mi16440+6010818+4810818+4816117(Top 61%)10586(Top 70%)10586(Top 516%)
30K18.64 mi3.11 mi16347+9310732+8610732+8615999(Top 60%)10483(Top 69%)10483(Top 511%)
20M20.00 mi1.36 mi16289+5810692+4010692+4016015(Top 60%)10413(Top 69%)10413(Top 507%)
21M21.00 mi1.00 mi16261+2810663+2910663+2916015(Top 60%)10358(Top 68%)10358(Top 505%)
35K21.75 mi0.75 mi16326-6510689-2610689-2617969(Top 67%)11122(Top 73%)11122(Top 542%)
23M23.00 mi1.25 mi16331-510677+1210677+1216485(Top 62%)10451(Top 69%)10451(Top 509%)
24M24.00 mi1.00 mi16356-2510672+510672+517059(Top 64%)10649(Top 70%)10649(Top 519%)
40K24.85 mi0.85 mi16328+2810637+3510637+3516251(Top 61%)10232(Top 67%)10232(Top 499%)
25.2M25.20 mi0.35 mi16329-110630+710630+716128(Top 61%)10172(Top 67%)10172(Top 496%)
Finish26.22 mi1.02 mi16337-810634-410634-416919(Top 64%)10570(Top 70%)10570(Top 515%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16059

Males

10715

M50-54

10715

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17478

Males

11285

M50-54

11285

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16059

Males

10715

M50-54

10715

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15532

Males

10464

M50-54

10464

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16327

Males

10813

M50-54

10813

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16117

Males

10586

M50-54

10586

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15999

Males

10483

M50-54

10483

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16015

Males

10413

M50-54

10413

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16015

Males

10358

M50-54

10358

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17969

Males

11122

M50-54

11122

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16485

Males

10451

M50-54

10451

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17059

Males

10649

M50-54

10649

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16251

Males

10232

M50-54

10232

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16128

Males

10172

M50-54

10172

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16919

Males

10570

M50-54

10570

Passing Analysis

Category:
Athletes Passed
2065
Passed By
1304
Net Change
+761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17098
5K → 10K246413-167#17098#17265
10K → 15K47757+420#17265#16845
15K → 20K37542+333#16845#16512
20K → Half3422+12#16512#16500
Half → 25K164104+60#16500#16440
25K → 30K225132+93#16440#16347
30K → 20M10850+58#16347#16289
20M → 21M9466+28#16289#16261
21M → 35K3196-65#16261#16326
35K → 23M7580-5#16326#16331
23M → 24M6287-25#16331#16356
24M → 40K8557+28#16356#16328
40K → 25.2M3435-1#16328#16329
25.2M → Finish5563-8#16329#16337
TOTALS20651304+761
📊

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