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BOSTON MARATHON 2023

Christian Gervais

Bib: 11015 M CA

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 46%
Division (M45-49)
#0 / 2252
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
7:25/mi
23:03
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:18/mi
45:45
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:27/mi
1:08:53
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:38/mi
1:32:36
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:42/mi
1:37:51
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:51/mi
1:56:54
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:16/mi
2:22:34
↑ 181↓ 1480.2%
138 ft elev
20M
8:14/mi
2:33:45
↑ 64↓ 500.2%
148 ft elev
21M
8:44/mi
2:42:29
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:08/mi
2:48:34
↑ 17↓ 861.7%
156 ft elev
23M
8:28/mi
2:59:10
↑ 23↓ 630.6%
116 ft elev
24M
8:28/mi
3:07:38
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:32/mi
3:14:56
↓ 200.3%
20 ft elev
25.2M
9:05/mi
3:18:04
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:11/mi
3:26:24
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:51
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2823:037:2523:03
7:25
-
10K
6.21 mi11:13:1045:457:2222:42
7:18
-0:07
15K
9.32 mi11:36:181:08:537:2323:08
7:27
+0:09
20K
12.43 mi12:00:011:32:367:2723:43
7:38
+0:11
Half
13.11 mi12:05:161:37:517:285:15
7:42
+0:04
25K
15.53 mi12:24:191:56:547:3219:03
7:51
+0:09
30K
18.64 mi12:49:592:22:347:3925:40
8:16
+0:25
20M
20.00 mi13:01:102:33:457:4111:11
8:14
-0:02
21M
21.00 mi13:09:542:42:297:448:44
8:44
+0:30
35K
21.75 mi13:15:592:48:347:456:05
8:08
-0:36
23M
23.00 mi13:26:352:59:107:4710:36
8:28
+0:20
24M
24.00 mi13:35:033:07:387:498:28
8:28
0:00
40K
24.85 mi13:42:213:14:567:517:18
8:32
+0:04
25.2M
25.20 mi13:45:293:18:047:523:08
9:05
+0:33
Finish
26.22 mi13:53:493:26:247:538:20
8:11
-0:54

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

7:18 /mi

Average Pace

7:53 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:54

57% of race

Time at Steady Pace

51:16

25% of race

Time at Slower Pace

38:14

19% of race

Average Pace: 7:52 /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 mi10:50:2823:037:2523:03
7:25
#8976
10K
6.21 mi11:13:1045:457:2222:42
7:18
#8911
15K
9.32 mi11:36:181:08:537:2323:08
7:27
#9115
20K
12.43 mi12:00:011:32:367:2723:43
7:38
#9422
Half
13.11 mi12:05:161:37:517:285:15
7:42
#9538
25K
15.53 mi12:24:191:56:547:3219:03
7:51
#9855
30K
18.64 mi12:49:592:22:347:3925:40
8:16
#10344
20M
20.00 mi13:01:102:33:457:4111:11
8:14
#10461
21M
21.00 mi13:09:542:42:297:448:44
8:44
#10513
35K
21.75 mi13:15:592:48:347:456:05
8:08
#10579
23M
23.00 mi13:26:352:59:107:4710:36
8:28
#10723
24M
24.00 mi13:35:033:07:387:498:28
8:28
#10886
40K
24.85 mi13:42:213:14:567:517:18
8:32
#10994
25.2M
25.20 mi13:45:293:18:047:523:08
9:05
#11005
Finish
26.22 mi13:53:493:26:247:538:20
8:11
#11096
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8976758375839732(Top 37%)8002(Top 53%)8002(Top 355%)
10K6.21 mi3.10 mi8911+657525+587525+588901(Top 33%)7523(Top 50%)7523(Top 334%)
15K9.32 mi3.11 mi9115-2047635-1107635-1109732(Top 37%)8002(Top 53%)8002(Top 355%)
20K12.43 mi3.11 mi9422-3077810-1757810-17510348(Top 39%)8265(Top 54%)8265(Top 367%)
Half13.11 mi0.68 mi9538-1167882-727882-7211780(Top 44%)8965(Top 59%)8965(Top 398%)
25K15.53 mi2.42 mi9855-3178054-1728054-17211558(Top 43%)8736(Top 58%)8736(Top 388%)
30K18.64 mi3.11 mi10344-4898258-2048258-20412746(Top 48%)9119(Top 60%)9119(Top 405%)
20M20.00 mi1.36 mi10461-1178298-408298-4011865(Top 45%)8650(Top 57%)8650(Top 384%)
21M21.00 mi1.00 mi10513-528288+108288+1011843(Top 44%)8504(Top 56%)8504(Top 378%)
35K21.75 mi0.75 mi10579-668301-138301-1312950(Top 49%)8948(Top 59%)8948(Top 397%)
23M23.00 mi1.25 mi10723-1448338-378338-3712968(Top 49%)8895(Top 59%)8895(Top 395%)
24M24.00 mi1.00 mi10886-1638403-658403-6514235(Top 53%)9401(Top 62%)9401(Top 417%)
40K24.85 mi0.85 mi10994-1088428-258428-2513551(Top 51%)9027(Top 59%)9027(Top 401%)
25.2M25.20 mi0.35 mi11005-118420+88420+812946(Top 49%)8726(Top 57%)8726(Top 387%)
Finish26.22 mi1.02 mi11096-918445-258445-2513250(Top 50%)8895(Top 59%)8895(Top 395%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9732

Males

8002

M45-49

8002

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8901

Males

7523

M45-49

7523

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9732

Males

8002

M45-49

8002

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10348

Males

8265

M45-49

8265

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11780

Males

8965

M45-49

8965

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11558

Males

8736

M45-49

8736

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12746

Males

9119

M45-49

9119

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11865

Males

8650

M45-49

8650

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11843

Males

8504

M45-49

8504

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12950

Males

8948

M45-49

8948

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12968

Males

8895

M45-49

8895

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14235

Males

9401

M45-49

9401

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13551

Males

9027

M45-49

9027

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12946

Males

8726

M45-49

8726

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13250

Males

8895

M45-49

8895

Passing Analysis

Category:
Athletes Passed
901*
Passed By
3019
Net Change
-2120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8976
5K → 10K305240+65#8976#8911
10K → 15K82286-204#8911#9115
15K → 20K61368-307#9115#9422
20K → Half4120-116#9422#9538
Half → 25K56372-317#9538#9855
25K → 30K59547-489#9855#10344
30K → 20M45*162-117#10344#10461
20M → 21M68120-52#10461#10513
21M → 35K3298-66#10513#10579
35K → 23M49193-144#10579#10723
23M → 24M30193-163#10723#10886
24M → 40K33141-108#10886#10994
40K → 25.2M3344-11#10994#11005
25.2M → Finish44135-91#11005#11096
TOTALS901*3019-2120

* 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