Boston Marathon logo
BOSTON MARATHON 2025

Paula Simpson

Bib: 23460•F

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

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
9:09/mi
28:26
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
56:57
↑ 79↓ 1380.4%
15K· 9.32 mi
9:04/mi
1:25:08
↑ 67↓ 78
20K· 12.43 mi
9:37/mi
1:55:00
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
2:01:20
↑ 19↓ 370.5%
25K· 15.53 mi
9:53/mi
2:25:17
↑ 66↓ 880.2%
30K· 18.64 mi
11:08/mi
2:59:52
↑ 181↓ 1480.2%
20M
10:17/mi
3:13:50
↑ 64↓ 500.2%
21M
9:57/mi
3:23:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:30:28
↑ 17↓ 861.7%
23M
9:07/mi
3:41:53
↑ 23↓ 630.6%
24M
8:38/mi
3:50:31
↓ 821.3%
40K· 24.85 mi
8:38/mi
3:57:54
↓ 200.3%
25.2M
9:08/mi
4:01:03
↑ 13↓ 160.2%
Finish· 26.22 mi
9:00/mi
4:10:13
↑ 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
Time2:01:20
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:08:53
Pace9:50 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3528:269:0928:26
9:09
-
10K
6.21 mi11:53:0656:579:1028:31
9:11
+0:02
15K
9.32 mi12:21:171:25:089:0828:11
9:04
-0:07
20K
12.43 mi12:51:091:55:009:1529:52
9:37
+0:33
Half
13.11 mi12:57:292:01:209:156:20
9:17
-0:20
25K
15.53 mi13:21:262:25:179:2123:57
9:53
+0:36
30K
18.64 mi13:56:012:59:529:3934:35
11:08
+1:15
20M
20.00 mi14:09:593:13:509:4113:58
10:17
-0:51
21M
21.00 mi14:19:563:23:479:429:57
9:57
-0:20
35K
21.75 mi14:26:373:30:289:416:41
8:56
-1:01
23M
23.00 mi14:38:023:41:539:3911:25
9:07
+0:11
24M
24.00 mi14:46:403:50:319:368:38
8:38
-0:29
40K
24.85 mi14:54:033:57:549:347:23
8:38
0:00
25.2M
25.20 mi14:57:124:01:039:343:09
9:08
+0:30
Finish
26.22 mi15:06:224:10:139:339:10
9:00
-0:08

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

8:38 /mi

Average Pace

9:33 /mi

Slowest Pace

11:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:01

6% of race

Time at Steady Pace

2:01:53

49% of race

Time at Slower Pace

1:52:19

45% of race

Average Pace: 9:33 /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 mi11:24:3528:269:0928:26
9:09
#23047
10K
6.21 mi11:53:0656:579:1028:31
9:11
#23085
15K
9.32 mi12:21:171:25:089:0828:11
9:04
#22856
20K
12.43 mi12:51:091:55:009:1529:52
9:37
#23002
Half
13.11 mi12:57:292:01:209:156:20
9:17
#22986
25K
15.53 mi13:21:262:25:179:2123:57
9:53
#22966
30K
18.64 mi13:56:012:59:529:3934:35
11:08
#23244
20M
20.00 mi14:09:593:13:509:4113:58
10:17
#23131
21M
21.00 mi14:19:563:23:479:429:57
9:57
#22871
35K
21.75 mi14:26:373:30:289:416:41
8:56
#22720
23M
23.00 mi14:38:023:41:539:3911:25
9:07
#22438
24M
24.00 mi14:46:403:50:319:368:38
8:38
#22199
40K
24.85 mi14:54:033:57:549:347:23
8:38
#21974
25.2M
25.20 mi14:57:124:01:039:343:09
9:08
#21866
Finish
26.22 mi15:06:224:10:139:339:10
9:00
#21772
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi230479195919522343(Top 79%)8751(Top 72%)8751(Top 880%)
10K6.21 mi3.10 mi23085-389196-19196-123118(Top 81%)9197(Top 75%)9197(Top 925%)
15K9.32 mi3.11 mi22856+2299041+1559041+15522343(Top 79%)8751(Top 72%)8751(Top 880%)
20K12.43 mi3.11 mi23002-1469131-909131-9023255(Top 82%)9277(Top 76%)9277(Top 933%)
Half13.11 mi0.68 mi22986+169117+149117+1422916(Top 81%)9094(Top 74%)9094(Top 915%)
25K15.53 mi2.42 mi22966+209124-79124-722965(Top 81%)9172(Top 75%)9172(Top 923%)
30K18.64 mi3.11 mi23244-2789318-1949318-19424258(Top 85%)9998(Top 82%)9998(Top 1006%)
20M20.00 mi1.36 mi23131+1139278+409278+4021806(Top 77%)8791(Top 72%)8791(Top 884%)
21M21.00 mi1.00 mi22871+2609160+1189160+11818138(Top 64%)6875(Top 56%)6875(Top 692%)
35K21.75 mi0.75 mi22720+1519087+739087+7317973(Top 63%)6899(Top 56%)6899(Top 694%)
23M23.00 mi1.25 mi22438+2828959+1288959+12816968(Top 60%)6443(Top 53%)6443(Top 648%)
24M24.00 mi1.00 mi22199+2398859+1008859+10015400(Top 54%)5611(Top 46%)5611(Top 564%)
40K24.85 mi0.85 mi21974+2258742+1178742+11714333(Top 50%)5162(Top 42%)5162(Top 519%)
25.2M25.20 mi0.35 mi21866+1088694+488694+4812699(Top 45%)4378(Top 36%)4378(Top 440%)
Finish26.22 mi1.02 mi21772+948655+398655+3919074(Top 67%)7653(Top 63%)7653(Top 770%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22343

Females

8751

F55-59

8751

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23118

Females

9197

F55-59

9197

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22343

Females

8751

F55-59

8751

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23255

Females

9277

F55-59

9277

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

22916

Females

9094

F55-59

9094

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22965

Females

9172

F55-59

9172

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24258

Females

9998

F55-59

9998

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21806

Females

8791

F55-59

8791

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18138

Females

6875

F55-59

6875

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17973

Females

6899

F55-59

6899

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16968

Females

6443

F55-59

6443

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15400

Females

5611

F55-59

5611

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14333

Females

5162

F55-59

5162

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12699

Females

4378

F55-59

4378

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

19074

Females

7653

F55-59

7653

Passing Analysis

Category:
Athletes Passed
2407
Passed By
1132
Net Change
+1275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23047
5K → 10K209247-38#23047#23085
10K → 15K29364+229#23085#22856
15K → 20K131277-146#22856#23002
20K → Half3822+16#23002#22986
Half → 25K142122+20#22986#22966
25K → 30K83361-278#22966#23244
30K → 20M13926+113#23244#23131
20M → 21M2600+260#23131#22871
21M → 35K1521+151#22871#22720
35K → 23M2842+282#22720#22438
23M → 24M2390+239#22438#22199
24M → 40K2250+225#22199#21974
40K → 25.2M1080+108#21974#21866
25.2M → Finish10410+94#21866#21772
TOTALS24071132+1275
📊

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