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BOSTON MARATHON 2023

Brie Fraser

Bib: 19152•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 49%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:42
Rank: #18197
Start → 5K
26:42 | 8:36/mi
10K· 6.21 mi
53:05
Rank: #18167 (+30)
5K → 10K
26:23 | 8:30/mi
15K· 9.32 mi
1:19:34
Rank: #18095 (+72)
10K → 15K
26:29 | 8:31/mi
20K· 12.43 mi
1:46:19
Rank: #17930 (+165)
15K → 20K
26:45 | 8:37/mi
Half· 13.11 mi
1:52:17
Rank: #17994 (-64)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:13:32
Rank: #17928 (+66)
Half → 25K
21:15 | 8:46/mi
30K· 18.64 mi
2:41:49
Rank: #17858 (+70)
25K → 30K
28:17 | 9:06/mi
20M
2:54:16
Rank: #17799 (+59)
30K → 20M
12:27 | 9:10/mi
21M
3:03:50
Rank: #17709 (+90)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:10:38
Rank: #17727 (-18)
21M → 35K
6:48 | 9:05/mi
23M
3:22:12
Rank: #17710 (+17)
35K → 23M
11:34 | 9:14/mi
24M
3:31:31
Rank: #17791 (-81)
23M → 24M
9:19 | 9:19/mi
40K· 24.85 mi
3:39:28
Rank: #17790 (+1)
24M → 40K
7:57 | 9:18/mi
25.2M
3:42:51
Rank: #17776 (+14)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:51:47
Rank: #17746 (+30)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:17
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:59:30
Pace9:07 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3326:428:3626:42
8:36
-
10K
6.21 mi11:44:5653:058:3326:23
8:30
-0:06
15K
9.32 mi12:11:251:19:348:3226:29
8:31
+0:01
20K
12.43 mi12:38:101:46:198:3326:45
8:37
+0:06
Half
13.11 mi12:44:081:52:178:345:58
8:45
+0:08
25K
15.53 mi13:05:232:13:328:3621:15
8:46
+0:01
30K
18.64 mi13:33:402:41:498:4128:17
9:06
+0:20
20M
20.00 mi13:46:072:54:168:4312:27
9:10
+0:04
21M
21.00 mi13:55:413:03:508:459:34
9:34
+0:24
35K
21.75 mi14:02:293:10:388:466:48
9:05
-0:29
23M
23.00 mi14:14:033:22:128:4711:34
9:14
+0:09
24M
24.00 mi14:23:223:31:318:499:19
9:19
+0:05
40K
24.85 mi14:31:193:39:288:507:57
9:18
-0:01
25.2M
25.20 mi14:34:423:42:518:513:23
9:49
+0:31
Finish
26.22 mi14:43:383:51:478:518:56
8:46
-1:03

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

8:30 /mi

Average Pace

8:51 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:50

94% of race

Time at Steady Pace

12:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:50 /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 mi11:18:3326:428:3626:42
8:36
#18197
10K
6.21 mi11:44:5653:058:3326:23
8:30
#18167
15K
9.32 mi12:11:251:19:348:3226:29
8:31
#18095
20K
12.43 mi12:38:101:46:198:3326:45
8:37
#17930
Half
13.11 mi12:44:081:52:178:345:58
8:45
#17994
25K
15.53 mi13:05:232:13:328:3621:15
8:46
#17928
30K
18.64 mi13:33:402:41:498:4128:17
9:06
#17858
20M
20.00 mi13:46:072:54:168:4312:27
9:10
#17799
21M
21.00 mi13:55:413:03:508:459:34
9:34
#17709
35K
21.75 mi14:02:293:10:388:466:48
9:05
#17727
23M
23.00 mi14:14:033:22:128:4711:34
9:14
#17710
24M
24.00 mi14:23:223:31:318:499:19
9:19
#17791
40K
24.85 mi14:31:193:39:288:507:57
9:18
#17790
25.2M
25.20 mi14:34:423:42:518:513:23
9:49
#17776
Finish
26.22 mi14:43:383:51:478:518:56
8:46
#17746
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi181976679667917988(Top 68%)6486(Top 57%)6486(Top 357%)
10K6.21 mi3.10 mi18167+306628+516628+5118211(Top 68%)6601(Top 58%)6601(Top 363%)
15K9.32 mi3.11 mi18095+726581+476581+4717988(Top 68%)6486(Top 57%)6486(Top 357%)
20K12.43 mi3.11 mi17930+1656484+976484+9717566(Top 66%)6268(Top 55%)6268(Top 345%)
Half13.11 mi0.68 mi17994-646509-256509-2519203(Top 72%)7194(Top 63%)7194(Top 396%)
25K15.53 mi2.42 mi17928+666496+136496+1317762(Top 67%)6436(Top 56%)6436(Top 354%)
30K18.64 mi3.11 mi17858+706475+216475+2117714(Top 67%)6474(Top 57%)6474(Top 356%)
20M20.00 mi1.36 mi17799+596459+166459+1617378(Top 65%)6377(Top 56%)6377(Top 351%)
21M21.00 mi1.00 mi17709+906417+426417+4216307(Top 61%)5809(Top 51%)5809(Top 320%)
35K21.75 mi0.75 mi17727-186443-266443-2618287(Top 69%)6988(Top 61%)6988(Top 385%)
23M23.00 mi1.25 mi17710+176449-66449-617252(Top 65%)6428(Top 56%)6428(Top 354%)
24M24.00 mi1.00 mi17791-816500-516500-5118536(Top 70%)7187(Top 63%)7187(Top 396%)
40K24.85 mi0.85 mi17790+16510-106510-1017535(Top 66%)6700(Top 59%)6700(Top 369%)
25.2M25.20 mi0.35 mi17776+146505+56505+516652(Top 63%)6241(Top 55%)6241(Top 343%)
Finish26.22 mi1.02 mi17746+306501+46501+416876(Top 63%)6308(Top 55%)6308(Top 347%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

17988

Females

6486

F45-49

6486

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18211

Females

6601

F45-49

6601

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

17988

Females

6486

F45-49

6486

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17566

Females

6268

F45-49

6268

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19203

Females

7194

F45-49

7194

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17762

Females

6436

F45-49

6436

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17714

Females

6474

F45-49

6474

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17378

Females

6377

F45-49

6377

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16307

Females

5809

F45-49

5809

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18287

Females

6988

F45-49

6988

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17252

Females

6428

F45-49

6428

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18536

Females

7187

F45-49

7187

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17535

Females

6700

F45-49

6700

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16652

Females

6241

F45-49

6241

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16876

Females

6308

F45-49

6308

Passing Analysis

Category:
Athletes Passed
1778
Passed By
1327
Net Change
+451
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18197
5K → 10K321291+30#18197#18167
10K → 15K229157+72#18167#18095
15K → 20K24984+165#18095#17930
20K → Half1781-64#17930#17994
Half → 25K15993+66#17994#17928
25K → 30K215145+70#17928#17858
30K → 20M12162+59#17858#17799
20M → 21M12838+90#17799#17709
21M → 35K4664-18#17709#17727
35K → 23M9275+17#17727#17710
23M → 24M43124-81#17710#17791
24M → 40K5655+1#17791#17790
40K → 25.2M3016+14#17790#17776
25.2M → Finish7242+30#17776#17746
TOTALS17781327+451
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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