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BOSTON MARATHON 2023

Christine Stanavich

Bib: 21570•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
8:37/mi
26:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
53:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:20:13
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:47:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:53:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:15:48
↑ 66↓ 880.2%
30K· 18.64 mi
9:34/mi
2:45:31
↑ 181↓ 1480.2%
20M
10:42/mi
3:00:03
↑ 64↓ 500.2%
21M
10:42/mi
3:10:45
↑ 106↓ 241.6%
35K· 21.75 mi
10:14/mi
3:18:24
↑ 17↓ 861.7%
23M
10:25/mi
3:31:26
↑ 23↓ 630.6%
24M
10:08/mi
3:41:34
↓ 821.3%
40K· 24.85 mi
9:37/mi
3:49:47
↓ 200.3%
25.2M
10:32/mi
3:53:25
↑ 13↓ 160.2%
Finish· 26.22 mi
9:31/mi
4:03:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:32
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:09:35
Pace9:53 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1426:458:3726:45
8:37
-
10K
6.21 mi11:49:0353:348:3726:49
8:38
+0:01
15K
9.32 mi12:15:421:20:138:3626:39
8:35
-0:03
20K
12.43 mi12:43:041:47:358:3927:22
8:49
+0:14
Half
13.11 mi12:49:011:53:328:405:57
8:43
-0:06
25K
15.53 mi13:11:172:15:488:4522:16
9:11
+0:28
30K
18.64 mi13:41:002:45:318:5329:43
9:34
+0:23
20M
20.00 mi13:55:323:00:039:0014:32
10:42
+1:08
21M
21.00 mi14:06:143:10:459:0510:42
10:42
0:00
35K
21.75 mi14:13:533:18:249:077:39
10:14
-0:28
23M
23.00 mi14:26:553:31:269:1213:02
10:25
+0:11
24M
24.00 mi14:37:033:41:349:1410:08
10:08
-0:17
40K
24.85 mi14:45:163:49:479:158:13
9:37
-0:31
25.2M
25.20 mi14:48:543:53:259:163:38
10:32
+0:55
Finish
26.22 mi14:58:364:03:079:179:42
9:31
-1:01

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

8:35 /mi

Average Pace

9:17 /mi

Slowest Pace

10:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:32

47% of race

Time at Steady Pace

1:09:54

29% of race

Time at Slower Pace

59:41

25% of race

Average Pace: 9:16 /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 mi11:22:1426:458:3726:45
8:37
#18307
10K
6.21 mi11:49:0353:348:3726:49
8:38
#18640
15K
9.32 mi12:15:421:20:138:3626:39
8:35
#18513
20K
12.43 mi12:43:041:47:358:3927:22
8:49
#18551
Half
13.11 mi12:49:011:53:328:405:57
8:43
#18581
25K
15.53 mi13:11:172:15:488:4522:16
9:11
#18814
30K
18.64 mi13:41:002:45:318:5329:43
9:34
#18998
20M
20.00 mi13:55:323:00:039:0014:32
10:42
#19379
21M
21.00 mi14:06:143:10:459:0510:42
10:42
#19435
35K
21.75 mi14:13:533:18:249:077:39
10:14
#19578
23M
23.00 mi14:26:553:31:269:1213:02
10:25
#19715
24M
24.00 mi14:37:033:41:349:1410:08
10:08
#19794
40K
24.85 mi14:45:163:49:479:158:13
9:37
#19756
25.2M
25.20 mi14:48:543:53:259:163:38
10:32
#19750
Finish
26.22 mi14:58:364:03:079:179:42
9:31
#19772
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi183076748674818316(Top 69%)6687(Top 59%)6687(Top 554%)
10K6.21 mi3.10 mi18640-3336907-1596907-15919036(Top 72%)7103(Top 62%)7103(Top 588%)
15K9.32 mi3.11 mi18513+1276826+816826+8118316(Top 69%)6687(Top 59%)6687(Top 554%)
20K12.43 mi3.11 mi18551-386833-76833-718751(Top 70%)6942(Top 61%)6942(Top 575%)
Half13.11 mi0.68 mi18581-306855-226855-2219126(Top 72%)7168(Top 63%)7168(Top 594%)
25K15.53 mi2.42 mi18814-2337017-1627017-16219776(Top 74%)7574(Top 66%)7574(Top 628%)
30K18.64 mi3.11 mi18998-1847139-1227139-12219678(Top 74%)7578(Top 66%)7578(Top 628%)
20M20.00 mi1.36 mi19379-3817377-2387377-23822158(Top 83%)9074(Top 79%)9074(Top 752%)
21M21.00 mi1.00 mi19435-567424-477424-4720130(Top 76%)8002(Top 70%)8002(Top 663%)
35K21.75 mi0.75 mi19578-1437508-847508-8421839(Top 82%)8955(Top 78%)8955(Top 742%)
23M23.00 mi1.25 mi19715-1377594-867594-8621098(Top 79%)8581(Top 75%)8581(Top 711%)
24M24.00 mi1.00 mi19794-797648-547648-5421155(Top 79%)8641(Top 76%)8641(Top 716%)
40K24.85 mi0.85 mi19756+387643+57643+518755(Top 70%)7364(Top 64%)7364(Top 610%)
25.2M25.20 mi0.35 mi19750+67639+47639+419249(Top 72%)7644(Top 67%)7644(Top 633%)
Finish26.22 mi1.02 mi19772-227654-157654-1520208(Top 76%)8125(Top 71%)8125(Top 673%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18316

Females

6687

F50-54

6687

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19036

Females

7103

F50-54

7103

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18316

Females

6687

F50-54

6687

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18751

Females

6942

F50-54

6942

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19126

Females

7168

F50-54

7168

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19776

Females

7574

F50-54

7574

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19678

Females

7578

F50-54

7578

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22158

Females

9074

F50-54

9074

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20130

Females

8002

F50-54

8002

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21839

Females

8955

F50-54

8955

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21098

Females

8581

F50-54

8581

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

21155

Females

8641

F50-54

8641

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18755

Females

7364

F50-54

7364

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19249

Females

7644

F50-54

7644

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20208

Females

8125

F50-54

8125

Passing Analysis

Category:
Athletes Passed
1074
Passed By
2539
Net Change
-1465
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18307
5K → 10K183516-333#18307#18640
10K → 15K244117+127#18640#18513
15K → 20K145183-38#18513#18551
20K → Half2252-30#18551#18581
Half → 25K62295-233#18581#18814
25K → 30K115299-184#18814#18998
30K → 20M19400-381#18998#19379
20M → 21M70126-56#19379#19435
21M → 35K14157-143#19435#19578
35K → 23M38175-137#19578#19715
23M → 24M28107-79#19715#19794
24M → 40K7133+38#19794#19756
40K → 25.2M2216+6#19756#19750
25.2M → Finish4163-22#19750#19772
TOTALS10742539-1465
📊

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