Boston Marathon logo
BOSTON MARATHON 2023

Linda Bonnar

Bib: 19026•F

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:57
Rank: #14251
Start → 5K
8:02/mi
24:57 split
10K· 6.21 mi
49:59
Rank: #14704 (-453)
5K → 10K
8:03/mi
25:02 split
15K· 9.32 mi
1:15:07
Rank: #14825 (-121)
10K → 15K
8:05/mi
25:08 split
20K· 12.43 mi
1:41:08
Rank: #15160 (-335)
15K → 20K
8:22/mi
26:01 split
Half· 13.11 mi
1:46:35
Rank: #15103 (+57)
20K → Half
7:59/mi
5:27 split
25K· 15.53 mi
2:06:37
Rank: #14998 (+105)
Half → 25K
8:16/mi
20:02 split
30K· 18.64 mi
2:33:01
Rank: #14879 (+119)
25K → 30K
8:30/mi
26:24 split
20M
2:44:30
Rank: #14737 (+142)
30K → 20M
8:27/mi
11:29 split
21M
2:53:50
Rank: #14751 (-14)
20M → 21M
9:20/mi
9:20 split
35K· 21.75 mi
3:00:00
Rank: #14696 (+55)
21M → 35K
8:15/mi
6:10 split
23M
3:10:58
Rank: #14691 (+5)
35K → 23M
8:46/mi
10:58 split
24M
3:19:29
Rank: #14663 (+28)
23M → 24M
8:31/mi
8:31 split
40K· 24.85 mi
3:27:04
Rank: #14670 (-7)
24M → 40K
8:52/mi
7:35 split
25.2M
3:30:32
Rank: #14708 (-38)
40K → 25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
3:39:25
Rank: #14790 (-82)
25.2M → Finish
8:43/mi
8:53 split

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
Time1:46:35
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:52:50
Pace8:36 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3624:578:0224:57
8:02
-
10K
6.21 mi11:45:3849:598:0325:02
8:03
+0:01
15K
9.32 mi12:10:461:15:078:0425:08
8:05
+0:02
20K
12.43 mi12:36:471:41:088:0826:01
8:22
+0:17
Half
13.11 mi12:42:141:46:358:085:27
7:59
-0:23
25K
15.53 mi13:02:162:06:378:0920:02
8:16
+0:17
30K
18.64 mi13:28:402:33:018:1326:24
8:30
+0:14
20M
20.00 mi13:40:092:44:308:1311:29
8:27
-0:03
21M
21.00 mi13:49:292:53:508:179:20
9:20
+0:53
35K
21.75 mi13:55:393:00:008:176:10
8:15
-1:05
23M
23.00 mi14:06:373:10:588:1810:58
8:46
+0:31
24M
24.00 mi14:15:083:19:298:198:31
8:31
-0:15
40K
24.85 mi14:22:433:27:048:207:35
8:52
+0:21
25.2M
25.20 mi14:26:113:30:328:213:28
10:03
+1:11
Finish
26.22 mi14:35:043:39:258:228:53
8:43
-1:20

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

7:59 /mi

Average Pace

8:22 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:34

37% of race

Time at Steady Pace

1:47:30

49% of race

Time at Slower Pace

31:21

14% of race

Average Pace: 8:22 /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 mi11:20:3624:578:0224:57
8:02
#14251
10K
6.21 mi11:45:3849:598:0325:02
8:03
#14704
15K
9.32 mi12:10:461:15:078:0425:08
8:05
#14825
20K
12.43 mi12:36:471:41:088:0826:01
8:22
#15160
Half
13.11 mi12:42:141:46:358:085:27
7:59
#15103
25K
15.53 mi13:02:162:06:378:0920:02
8:16
#14998
30K
18.64 mi13:28:402:33:018:1326:24
8:30
#14879
20M
20.00 mi13:40:092:44:308:1311:29
8:27
#14737
21M
21.00 mi13:49:292:53:508:179:20
9:20
#14751
35K
21.75 mi13:55:393:00:008:176:10
8:15
#14696
23M
23.00 mi14:06:373:10:588:1810:58
8:46
#14691
24M
24.00 mi14:15:083:19:298:198:31
8:31
#14663
40K
24.85 mi14:22:433:27:048:207:35
8:52
#14670
25.2M
25.20 mi14:26:113:30:328:213:28
10:03
#14708
Finish
26.22 mi14:35:043:39:258:228:53
8:43
#14790
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi142514179417915102(Top 57%)4734(Top 41%)4734(Top 252%)
10K6.21 mi3.10 mi14704-4534468-2894468-28915228(Top 57%)4815(Top 42%)4815(Top 256%)
15K9.32 mi3.11 mi14825-1214553-854553-8515102(Top 57%)4734(Top 41%)4734(Top 252%)
20K12.43 mi3.11 mi15160-3354784-2314784-23116084(Top 60%)5396(Top 47%)5396(Top 287%)
Half13.11 mi0.68 mi15103+574749+354749+3514366(Top 54%)4310(Top 38%)4310(Top 229%)
25K15.53 mi2.42 mi14998+1054709+404709+4014706(Top 55%)4652(Top 41%)4652(Top 248%)
30K18.64 mi3.11 mi14879+1194666+434666+4314310(Top 54%)4514(Top 40%)4514(Top 240%)
20M20.00 mi1.36 mi14737+1424601+654601+6513368(Top 50%)4059(Top 36%)4059(Top 216%)
21M21.00 mi1.00 mi14751-144639-384639-3815191(Top 57%)5163(Top 45%)5163(Top 275%)
35K21.75 mi0.75 mi14696+554620+194620+1913794(Top 52%)4457(Top 39%)4457(Top 237%)
23M23.00 mi1.25 mi14691+54646-264646-2614772(Top 55%)5048(Top 44%)5048(Top 269%)
24M24.00 mi1.00 mi14663+284657-114657-1114588(Top 55%)5010(Top 44%)5010(Top 267%)
40K24.85 mi0.85 mi14670-74684-274684-2715466(Top 58%)5560(Top 49%)5560(Top 296%)
25.2M25.20 mi0.35 mi14708-384714-304714-3017608(Top 66%)6735(Top 59%)6735(Top 359%)
Finish26.22 mi1.02 mi14790-824784-704784-7016581(Top 62%)6135(Top 54%)6135(Top 327%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15102

Females

4734

F40-44

4734

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15228

Females

4815

F40-44

4815

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15102

Females

4734

F40-44

4734

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16084

Females

5396

F40-44

5396

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14366

Females

4310

F40-44

4310

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14706

Females

4652

F40-44

4652

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14310

Females

4514

F40-44

4514

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13368

Females

4059

F40-44

4059

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15191

Females

5163

F40-44

5163

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13794

Females

4457

F40-44

4457

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14772

Females

5048

F40-44

5048

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14588

Females

5010

F40-44

5010

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15466

Females

5560

F40-44

5560

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17608

Females

6735

F40-44

6735

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16581

Females

6135

F40-44

6135

Passing Analysis

Category:
Athletes Passed
1451
Passed By
1990
Net Change
-539
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14251
5K → 10K127580-453#14251#14704
10K → 15K137258-121#14704#14825
15K → 20K96431-335#14825#15160
20K → Half7417+57#15160#15103
Half → 25K18580+105#15103#14998
25K → 30K234115+119#14998#14879
30K → 20M16725+142#14879#14737
20M → 21M8296-14#14737#14751
21M → 35K7621+55#14751#14696
35K → 23M8176+5#14696#14691
23M → 24M8759+28#14691#14663
24M → 40K5562-7#14663#14670
40K → 25.2M1654-38#14670#14708
25.2M → Finish34116-82#14708#14790
TOTALS14511990-539
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing