Boston Marathon logo
BOSTON MARATHON 2023

Christina Wolfe

Bib: 19673•F

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
Division (F40-44)
#0 / 1878
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
8:30/mi
26:23
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
52:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:40/mi
1:19:08
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:46:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:52:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:13:57
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:42:18
↑ 181↓ 1480.2%
20M
9:08/mi
2:54:43
↑ 64↓ 500.2%
21M
9:21/mi
3:04:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:10:42
↑ 17↓ 861.7%
23M
8:56/mi
3:21:53
↑ 23↓ 630.6%
24M
8:49/mi
3:30:42
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:38:23
↓ 200.3%
25.2M
9:23/mi
3:41:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
3:50:13
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:20
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:57:53
Pace9:00 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0226:238:3026:23
8:30
-
10K
6.21 mi11:43:5052:118:2425:48
8:18
-0:12
15K
9.32 mi12:10:471:19:088:2926:57
8:40
+0:22
20K
12.43 mi12:38:031:46:248:3427:16
8:47
+0:07
Half
13.11 mi12:43:591:52:208:345:56
8:42
-0:05
25K
15.53 mi13:05:362:13:578:3721:37
8:55
+0:13
30K
18.64 mi13:33:572:42:188:4228:21
9:07
+0:12
20M
20.00 mi13:46:222:54:438:4412:25
9:08
+0:01
21M
21.00 mi13:55:433:04:048:469:21
9:21
+0:13
35K
21.75 mi14:02:213:10:428:466:38
8:52
-0:29
23M
23.00 mi14:13:323:21:538:4711:11
8:56
+0:04
24M
24.00 mi14:22:213:30:428:478:49
8:49
-0:07
40K
24.85 mi14:30:023:38:238:477:41
8:59
+0:10
25.2M
25.20 mi14:33:163:41:378:483:14
9:23
+0:24
Finish
26.22 mi14:41:523:50:138:478:36
8:26
-0:57

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

8:18 /mi

Average Pace

8:47 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:13

89% of race

Time at Steady Pace

25:00

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi11:18:0226:238:3026:23
8:30
#17514
10K
6.21 mi11:43:5052:118:2425:48
8:18
#17203
15K
9.32 mi12:10:471:19:088:2926:57
8:40
#17789
20K
12.43 mi12:38:031:46:248:3427:16
8:47
#17972
Half
13.11 mi12:43:591:52:208:345:56
8:42
#18015
25K
15.53 mi13:05:362:13:578:3721:37
8:55
#18090
30K
18.64 mi13:33:572:42:188:4228:21
9:07
#18017
20M
20.00 mi13:46:222:54:438:4412:25
9:08
#17948
21M
21.00 mi13:55:433:04:048:469:21
9:21
#17768
35K
21.75 mi14:02:213:10:428:466:38
8:52
#17737
23M
23.00 mi14:13:323:21:538:4711:11
8:56
#17631
24M
24.00 mi14:22:213:30:428:478:49
8:49
#17578
40K
24.85 mi14:30:023:38:238:477:41
8:59
#17535
25.2M
25.20 mi14:33:163:41:378:483:14
9:23
#17471
Finish
26.22 mi14:41:523:50:138:478:36
8:26
#17386
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi175146263626318862(Top 71%)7019(Top 61%)7019(Top 374%)
10K6.21 mi3.10 mi17203+3116059+2046059+20416970(Top 64%)5860(Top 51%)5860(Top 312%)
15K9.32 mi3.11 mi17789-5866398-3396398-33918862(Top 71%)7019(Top 61%)7019(Top 374%)
20K12.43 mi3.11 mi17972-1836504-1066504-10618548(Top 70%)6817(Top 60%)6817(Top 363%)
Half13.11 mi0.68 mi18015-436521-176521-1718930(Top 71%)7029(Top 62%)7029(Top 374%)
25K15.53 mi2.42 mi18090-756584-636584-6318541(Top 70%)6873(Top 60%)6873(Top 366%)
30K18.64 mi3.11 mi18017+736575+96575+917817(Top 67%)6536(Top 57%)6536(Top 348%)
20M20.00 mi1.36 mi17948+696557+186557+1817260(Top 65%)6311(Top 55%)6311(Top 336%)
21M21.00 mi1.00 mi17768+1806450+1076450+10715288(Top 57%)5225(Top 46%)5225(Top 278%)
35K21.75 mi0.75 mi17737+316448+26448+217304(Top 65%)6444(Top 56%)6444(Top 343%)
23M23.00 mi1.25 mi17631+1066400+486400+4815728(Top 59%)5597(Top 49%)5597(Top 298%)
24M24.00 mi1.00 mi17578+536382+186382+1816324(Top 61%)5987(Top 52%)5987(Top 319%)
40K24.85 mi0.85 mi17535+436364+186364+1816091(Top 60%)5911(Top 52%)5911(Top 315%)
25.2M25.20 mi0.35 mi17471+646335+296335+2914667(Top 55%)5133(Top 45%)5133(Top 273%)
Finish26.22 mi1.02 mi17386+856298+376298+3715057(Top 57%)5292(Top 46%)5292(Top 282%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18862

Females

7019

F40-44

7019

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16970

Females

5860

F40-44

5860

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18862

Females

7019

F40-44

7019

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18548

Females

6817

F40-44

6817

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18930

Females

7029

F40-44

7029

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18541

Females

6873

F40-44

6873

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17817

Females

6536

F40-44

6536

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17260

Females

6311

F40-44

6311

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15288

Females

5225

F40-44

5225

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17304

Females

6444

F40-44

6444

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15728

Females

5597

F40-44

5597

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16324

Females

5987

F40-44

5987

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16091

Females

5911

F40-44

5911

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14667

Females

5133

F40-44

5133

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15057

Females

5292

F40-44

5292

Passing Analysis

Category:
Athletes Passed
1882
Passed By
1754
Net Change
+128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17514
5K → 10K505194+311#17514#17203
10K → 15K58644-586#17203#17789
15K → 20K119302-183#17789#17972
20K → Half1861-43#17972#18015
Half → 25K100175-75#18015#18090
25K → 30K222149+73#18090#18017
30K → 20M11950+69#18017#17948
20M → 21M19212+180#17948#17768
21M → 35K6433+31#17768#17737
35K → 23M13731+106#17737#17631
23M → 24M8734+53#17631#17578
24M → 40K8239+43#17578#17535
40K → 25.2M728+64#17535#17471
25.2M → Finish10722+85#17471#17386
TOTALS18821754+128
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing