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BOSTON MARATHON 2023

Brittany Matteson

IL

Bib: 5097 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Female)
#0 / 11423
Top 1%
Division (F18-39)
#0 / 4884
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:48/mi
21:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:44/mi
42:05
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:46/mi
1:03:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:46/mi
1:24:09
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:43/mi
1:28:44
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:43/mi
1:45:01
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:48/mi
2:06:09
↑ 181↓ 1480.2%
138 ft elev
20M
6:45/mi
2:15:20
↑ 64↓ 500.2%
148 ft elev
21M
7:03/mi
2:22:23
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:24/mi
2:27:10
↑ 17↓ 861.7%
156 ft elev
23M
6:23/mi
2:35:10
↑ 23↓ 630.6%
116 ft elev
24M
6:20/mi
2:41:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:36/mi
2:47:09
↓ 200.3%
20 ft elev
25.2M
6:55/mi
2:49:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:21/mi
2:56:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:28:446:46 /mi+1.7%
2nd Half
1:27:166:39 /mi✓ faster
Negative split — 1.7% faster in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4421:096:4821:09
6:48
-
10K
6.21 mi10:44:4042:056:4620:56
6:44
-0:04
15K
9.32 mi11:05:421:03:076:4621:02
6:46
+0:02
20K
12.43 mi11:26:441:24:096:4621:02
6:46
0:00
Half
13.11 mi11:31:191:28:446:464:35
6:43
-0:03
25K
15.53 mi11:47:361:45:016:4616:17
6:43
0:00
30K
18.64 mi12:08:442:06:096:4621:08
6:48
+0:05
20M
20.00 mi12:17:552:15:206:469:11
6:45
-0:03
21M
21.00 mi12:24:582:22:236:477:03
7:03
+0:18
35K
21.75 mi12:29:452:27:106:464:47
6:24
-0:39
23M
23.00 mi12:37:452:35:106:458:00
6:23
-0:01
24M
24.00 mi12:44:052:41:306:446:20
6:20
-0:03
40K
24.85 mi12:49:442:47:096:445:39
6:36
+0:16
25.2M
25.20 mi12:52:072:49:326:442:23
6:55
+0:19
Finish
26.22 mi12:58:352:56:006:436:28
6:21
-0:34

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

6:20 /mi

Average Pace

6:43 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:57

96% of race

Time at Steady Pace

7:03

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:23:4421:096:4821:09
6:48
#4776
10K
6.21 mi10:44:4042:056:4620:56
6:44
#4730
15K
9.32 mi11:05:421:03:076:4621:02
6:46
#4726
20K
12.43 mi11:26:441:24:096:4621:02
6:46
#4567
Half
13.11 mi11:31:191:28:446:464:35
6:43
#4553
25K
15.53 mi11:47:361:45:016:4616:17
6:43
#4334
30K
18.64 mi12:08:442:06:096:4621:08
6:48
#4013
20M
20.00 mi12:17:552:15:206:469:11
6:45
#3847
21M
21.00 mi12:24:582:22:236:477:03
7:03
#3701
35K
21.75 mi12:29:452:27:106:464:47
6:24
#3597
23M
23.00 mi12:37:452:35:106:458:00
6:23
#3312
24M
24.00 mi12:44:052:41:306:446:20
6:20
#3180
40K
24.85 mi12:49:442:47:096:445:39
6:36
#3083
25.2M
25.20 mi12:52:072:49:326:442:23
6:55
#3032
Finish
26.22 mi12:58:352:56:006:436:28
6:21
#2928
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi47763273274834325325
10K6.21 mi3.10 mi4730+46314+13314+134725322322
15K9.32 mi3.11 mi4726+4321-7321-74834325325
20K12.43 mi3.11 mi4567+159298+23298+234185259259
Half13.11 mi0.68 mi4553+142982984612305305
25K15.53 mi2.42 mi4334+219268+30268+303509186186
30K18.64 mi3.11 mi4013+321233+35233+353013162162
20M20.00 mi1.36 mi3847+166219+14219+142601133133
21M21.00 mi1.00 mi3701+146202+17202+172418131131
35K21.75 mi0.75 mi3597+104194+8194+819859999
23M23.00 mi1.25 mi3312+285173+21173+2110905959
24M24.00 mi1.00 mi3180+132165+8165+814727979
40K24.85 mi0.85 mi3083+97160+5160+51979123123
25.2M25.20 mi0.35 mi3032+51157+3157+315429191
Finish26.22 mi1.02 mi2928+104152+5152+51835117117

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4834

Females

325

F18-39

325

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4725

Females

322

F18-39

322

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4834

Females

325

F18-39

325

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4185

Females

259

F18-39

259

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4612

Females

305

F18-39

305

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3509

Females

186

F18-39

186

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3013

Females

162

F18-39

162

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2601

Females

133

F18-39

133

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2418

Females

131

F18-39

131

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1985

Females

99

F18-39

99

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1090

Females

59

F18-39

59

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1472

Females

79

F18-39

79

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1979

Females

123

F18-39

123

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1542

Females

91

F18-39

91

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1835

Females

117

F18-39

117

Passing Analysis

Category:
Athletes Passed
2239
Passed By
391
Net Change
+1848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4776
5K → 10K230184+46#4776#4730
10K → 15K113109+4#4730#4726
15K → 20K18829+159#4726#4567
20K → Half3420+14#4567#4553
Half → 25K2278+219#4553#4334
25K → 30K33312+321#4334#4013
30K → 20M1704+166#4013#3847
20M → 21M1548+146#3847#3701
21M → 35K1062+104#3701#3597
35K → 23M2850+285#3597#3312
23M → 24M1364+132#3312#3180
24M → 40K1014+97#3180#3083
40K → 25.2M510+51#3083#3032
25.2M → Finish1117+104#3032#2928
TOTALS2239391+1848

Passing Charts

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