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BOSTON MARATHON 2023

Blaire Kniaziew Gervais

Bib: 8169•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 4%
Masters (Masters Women)
#0 / 6539
Top 1%
Division (F45-49)
#0 / 1817
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:28
Rank: #5648
Start → 5K
21:28 | 6:55/mi
10K· 6.21 mi
42:30
Rank: #5328 (+320)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:50
Rank: #5464 (-136)
10K → 15K
21:20 | 6:52/mi
20K· 12.43 mi
1:25:19
Rank: #5451 (+13)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:29:58
Rank: #5462 (-11)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:55
Rank: #5462
Half → 25K
16:57 | 6:59/mi
30K· 18.64 mi
2:09:33
Rank: #5531 (-69)
25K → 30K
22:38 | 7:17/mi
20M
2:19:43
Rank: #5576 (-45)
30K → 20M
10:10 | 7:29/mi
21M
2:27:46
Rank: #5633 (-57)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:33:10
Rank: #5647 (-14)
21M → 35K
5:24 | 7:13/mi
23M
2:42:32
Rank: #5629 (+18)
35K → 23M
9:22 | 7:29/mi
24M
2:49:49
Rank: #5596 (+33)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
2:56:09
Rank: #5571 (+25)
24M → 40K
6:20 | 7:24/mi
25.2M
2:58:57
Rank: #5571
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:06:21
Rank: #5553 (+18)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:36:23
Pace7:21 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2221:286:5521:28
6:55
-
10K
6.21 mi11:08:2442:306:5021:02
6:46
-0:09
15K
9.32 mi11:29:441:03:506:5121:20
6:52
+0:06
20K
12.43 mi11:51:131:25:196:5221:29
6:55
+0:03
Half
13.11 mi11:55:521:29:586:524:39
6:49
-0:06
25K
15.53 mi12:12:491:46:556:5316:57
6:59
+0:10
30K
18.64 mi12:35:272:09:336:5722:38
7:17
+0:18
20M
20.00 mi12:45:372:19:436:5910:10
7:29
+0:12
21M
21.00 mi12:53:402:27:467:028:03
8:03
+0:34
35K
21.75 mi12:59:042:33:107:035:24
7:13
-0:50
23M
23.00 mi13:08:262:42:327:049:22
7:29
+0:16
24M
24.00 mi13:15:432:49:497:057:17
7:17
-0:12
40K
24.85 mi13:22:032:56:097:056:20
7:24
+0:07
25.2M
25.20 mi13:24:512:58:577:062:48
8:07
+0:43
Finish
26.22 mi13:32:153:06:217:077:24
7:16
-0:51

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

6:46 /mi

Average Pace

7:07 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:58

84% of race

Time at Steady Pace

19:32

10% of race

Time at Slower Pace

10:51

6% of race

Average Pace: 7:06 /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 mi10:47:2221:286:5521:28
6:55
#5648
10K
6.21 mi11:08:2442:306:5021:02
6:46
#5328
15K
9.32 mi11:29:441:03:506:5121:20
6:52
#5464
20K
12.43 mi11:51:131:25:196:5221:29
6:55
#5451
Half
13.11 mi11:55:521:29:586:524:39
6:49
#5462
25K
15.53 mi12:12:491:46:556:5316:57
6:59
#5462
30K
18.64 mi12:35:272:09:336:5722:38
7:17
#5531
20M
20.00 mi12:45:372:19:436:5910:10
7:29
#5576
21M
21.00 mi12:53:402:27:467:028:03
8:03
#5633
35K
21.75 mi12:59:042:33:107:035:24
7:13
#5647
23M
23.00 mi13:08:262:42:327:049:22
7:29
#5629
24M
24.00 mi13:15:432:49:497:057:17
7:17
#5596
40K
24.85 mi13:22:032:56:097:056:20
7:24
#5571
25.2M
25.20 mi13:24:512:58:577:062:48
8:07
#5571
Finish
26.22 mi13:32:153:06:217:077:24
7:16
#5553
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi56484444445726(Top 22%)468(Top 4%)468(Top 26%)
10K6.21 mi3.10 mi5328+320398+46398+465018(Top 19%)366(Top 3%)366(Top 20%)
15K9.32 mi3.11 mi5464-136411-13411-135726(Top 22%)468(Top 4%)468(Top 26%)
20K12.43 mi3.11 mi5451+13415-4415-45458(Top 21%)420(Top 4%)420(Top 23%)
Half13.11 mi0.68 mi5462-11412+3412+35478(Top 21%)426(Top 4%)426(Top 23%)
25K15.53 mi2.42 mi5462414-2414-25544(Top 21%)440(Top 4%)440(Top 24%)
30K18.64 mi3.11 mi5531-69437-23437-235947(Top 22%)604(Top 5%)604(Top 33%)
20M20.00 mi1.36 mi5576-45448-11448-116684(Top 25%)910(Top 8%)910(Top 50%)
21M21.00 mi1.00 mi5633-57465-17465-177685(Top 29%)1370(Top 12%)1370(Top 75%)
35K21.75 mi0.75 mi5647-14469-4469-46656(Top 25%)958(Top 8%)958(Top 53%)
23M23.00 mi1.25 mi5629+18483-14483-146332(Top 24%)928(Top 8%)928(Top 51%)
24M24.00 mi1.00 mi5596+33493-10493-106283(Top 24%)1002(Top 9%)1002(Top 55%)
40K24.85 mi0.85 mi5571+25492+1492+16154(Top 23%)1027(Top 9%)1027(Top 57%)
25.2M25.20 mi0.35 mi5571499-7499-77241(Top 27%)1485(Top 13%)1485(Top 82%)
Finish26.22 mi1.02 mi5553+18509-10509-106855(Top 26%)1360(Top 12%)1360(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5726

Females

468

F45-49

468

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5018

Females

366

F45-49

366

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5726

Females

468

F45-49

468

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5458

Females

420

F45-49

420

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5478

Females

426

F45-49

426

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5544

Females

440

F45-49

440

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5947

Females

604

F45-49

604

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6684

Females

910

F45-49

910

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7685

Females

1370

F45-49

1370

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6656

Females

958

F45-49

958

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6332

Females

928

F45-49

928

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6283

Females

1002

F45-49

1002

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6154

Females

1027

F45-49

1027

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7241

Females

1485

F45-49

1485

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6855

Females

1360

F45-49

1360

Passing Analysis

Category:
Athletes Passed
1146
Passed By
1051
Net Change
+95
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5648
5K → 10K40181+320#5648#5328
10K → 15K73209-136#5328#5464
15K → 20K10188+13#5464#5451
20K → Half1627-11#5451#5462
Half → 25K86860#5462#5462
25K → 30K98167-69#5462#5531
30K → 20M3782-45#5531#5576
20M → 21M3289-57#5576#5633
21M → 35K2741-14#5633#5647
35K → 23M8163+18#5647#5629
23M → 24M6229+33#5629#5596
24M → 40K5025+25#5596#5571
40K → 25.2M23230#5571#5571
25.2M → Finish5941+18#5571#5553
TOTALS11461051+95
📊

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