Boston Marathon logo
BOSTON MARATHON 2025

Christine Byers

Bib: 24445•F

IN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:18
Rank: #22881
Start → 5K
28:18 | 9:07/mi
10K· 6.21 mi
56:25
Rank: #22743 (+138)
5K → 10K
28:07 | 9:03/mi
15K· 9.32 mi
1:24:31
Rank: #22572 (+171)
10K → 15K
28:06 | 9:03/mi
20K· 12.43 mi
1:54:38
Rank: #22886 (-314)
15K → 20K
30:07 | 9:42/mi
Half· 13.11 mi
2:00:38
Rank: #22784 (+102)
20K → Half
6:00 | 8:48/mi
25K· 15.53 mi
2:23:50
Rank: #22648 (+136)
Half → 25K
23:12 | 9:34/mi
30K· 18.64 mi
2:52:01
Rank: #21887 (+761)
25K → 30K
28:11 | 9:04/mi
20M
3:05:47
Rank: #21823 (+64)
30K → 20M
13:46 | 10:08/mi
21M
3:15:26
Rank: #21565 (+258)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
3:22:01
Rank: #21414 (+151)
21M → 35K
6:35 | 8:48/mi
23M
3:34:04
Rank: #21252 (+162)
35K → 23M
12:03 | 9:37/mi
24M
3:43:41
Rank: #21209 (+43)
23M → 24M
9:37 | 9:37/mi
40K· 24.85 mi
3:52:00
Rank: #21134 (+75)
24M → 40K
8:19 | 9:44/mi
25.2M
3:55:25
Rank: #21071 (+63)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
4:04:30
Rank: #20968 (+103)
25.2M → Finish
9:05 | 8:55/mi

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
Time2:00:38
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:03:52
Pace9:27 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:4928:189:0728:18
9:07
-
10K
6.21 mi11:56:5656:259:0528:07
9:03
-0:04
15K
9.32 mi12:25:021:24:319:0428:06
9:03
0:00
20K
12.43 mi12:55:091:54:389:1330:07
9:42
+0:39
Half
13.11 mi13:01:092:00:389:126:00
8:48
-0:54
25K
15.53 mi13:24:212:23:509:1623:12
9:34
+0:46
30K
18.64 mi13:52:322:52:019:1428:11
9:04
-0:30
20M
20.00 mi14:06:183:05:479:1713:46
10:08
+1:04
21M
21.00 mi14:15:573:15:269:189:39
9:39
-0:29
35K
21.75 mi14:22:323:22:019:176:35
8:48
-0:51
23M
23.00 mi14:34:353:34:049:1812:03
9:37
+0:49
24M
24.00 mi14:44:123:43:419:199:37
9:37
0:00
40K
24.85 mi14:52:313:52:009:208:19
9:44
+0:07
25.2M
25.20 mi14:55:563:55:259:213:25
9:54
+0:10
Finish
26.22 mi15:05:014:04:309:209:05
8:55
-0:59

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

8:48 /mi

Average Pace

9:20 /mi

Slowest Pace

10:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:53

77% of race

Time at Steady Pace

55:37

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:19 /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 mi11:28:4928:189:0728:18
9:07
#22881
10K
6.21 mi11:56:5656:259:0528:07
9:03
#22743
15K
9.32 mi12:25:021:24:319:0428:06
9:03
#22572
20K
12.43 mi12:55:091:54:389:1330:07
9:42
#22886
Half
13.11 mi13:01:092:00:389:126:00
8:48
#22784
25K
15.53 mi13:24:212:23:509:1623:12
9:34
#22648
30K
18.64 mi13:52:322:52:019:1428:11
9:04
#21887
20M
20.00 mi14:06:183:05:479:1713:46
10:08
#21823
21M
21.00 mi14:15:573:15:269:189:39
9:39
#21565
35K
21.75 mi14:22:323:22:019:176:35
8:48
#21414
23M
23.00 mi14:34:353:34:049:1812:03
9:37
#21252
24M
24.00 mi14:44:123:43:419:199:37
9:37
#21209
40K
24.85 mi14:52:313:52:009:208:19
9:44
#21134
25.2M
25.20 mi14:55:563:55:259:213:25
9:54
#21071
Finish
26.22 mi15:05:014:04:309:209:05
8:55
#20968
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi228819110911022238(Top 78%)8684(Top 71%)8684(Top 874%)
10K6.21 mi3.10 mi22743+1389013+979013+9722612(Top 80%)8927(Top 73%)8927(Top 898%)
15K9.32 mi3.11 mi22572+1718893+1208893+12022238(Top 78%)8684(Top 71%)8684(Top 874%)
20K12.43 mi3.11 mi22886-3149062-1699062-16923464(Top 83%)9400(Top 77%)9400(Top 946%)
Half13.11 mi0.68 mi22784+1029000+629000+6220928(Top 74%)8011(Top 66%)8011(Top 806%)
25K15.53 mi2.42 mi22648+1368950+508950+5022088(Top 78%)8699(Top 71%)8699(Top 875%)
30K18.64 mi3.11 mi21887+7618558+3928558+39218052(Top 64%)6607(Top 54%)6607(Top 665%)
20M20.00 mi1.36 mi21823+648535+238535+2321389(Top 75%)8567(Top 70%)8567(Top 862%)
21M21.00 mi1.00 mi21565+2588424+1118424+11116828(Top 59%)6177(Top 51%)6177(Top 621%)
35K21.75 mi0.75 mi21414+1518358+668358+6617314(Top 61%)6549(Top 54%)6549(Top 659%)
23M23.00 mi1.25 mi21252+1628298+608298+6019197(Top 68%)7617(Top 62%)7617(Top 766%)
24M24.00 mi1.00 mi21209+438292+68292+620079(Top 71%)8128(Top 66%)8128(Top 818%)
40K24.85 mi0.85 mi21134+758274+188274+1819591(Top 69%)7937(Top 65%)7937(Top 798%)
25.2M25.20 mi0.35 mi21071+638249+258249+2516697(Top 59%)6465(Top 53%)6465(Top 650%)
Finish26.22 mi1.02 mi20968+1038209+408209+4018626(Top 66%)7398(Top 61%)7398(Top 744%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22238

Females

8684

F55-59

8684

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

22612

Females

8927

F55-59

8927

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22238

Females

8684

F55-59

8684

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23464

Females

9400

F55-59

9400

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

20928

Females

8011

F55-59

8011

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22088

Females

8699

F55-59

8699

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18052

Females

6607

F55-59

6607

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21389

Females

8567

F55-59

8567

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16828

Females

6177

F55-59

6177

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17314

Females

6549

F55-59

6549

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19197

Females

7617

F55-59

7617

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20079

Females

8128

F55-59

8128

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19591

Females

7937

F55-59

7937

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16697

Females

6465

F55-59

6465

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18626

Females

7398

F55-59

7398

Passing Analysis

Category:
Athletes Passed
2804
Passed By
891
Net Change
+1913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22881
5K → 10K308170+138#22881#22743
10K → 15K26594+171#22743#22572
15K → 20K95409-314#22572#22886
20K → Half1075+102#22886#22784
Half → 25K20872+136#22784#22648
25K → 30K7632+761#22648#21887
30K → 20M11955+64#21887#21823
20M → 21M2602+258#21823#21565
21M → 35K1565+151#21565#21414
35K → 23M18826+162#21414#21252
23M → 24M7027+43#21252#21209
24M → 40K9116+75#21209#21134
40K → 25.2M630+63#21134#21071
25.2M → Finish1118+103#21071#20968
TOTALS2804891+1913
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing