Boston Marathon logo
BOSTON MARATHON 2025

Tlangelani Mthimkhulu

Bib: 18230•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F45-49)
#0 / 1813
Top 29%
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
7:42/mi
23:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
47:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:11:36
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:35:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:41:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:01:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:54/mi
2:28:45
↑ 181↓ 1480.2%
20M
9:04/mi
2:41:04
↑ 64↓ 500.2%
21M
9:44/mi
2:50:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
2:57:11
↑ 17↓ 861.7%
23M
8:53/mi
3:08:18
↑ 23↓ 630.6%
24M
8:16/mi
3:16:34
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:24:00
↓ 200.3%
25.2M
9:34/mi
3:27:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:35:40
↑ 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
Time1:41:14
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:54:26
Pace8:44 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2623:567:4223:56
7:42
-
10K
6.21 mi11:39:1447:447:4123:48
7:40
-0:02
15K
9.32 mi12:03:061:11:367:4123:52
7:41
+0:01
20K
12.43 mi12:27:251:35:557:4324:19
7:50
+0:09
Half
13.11 mi12:32:441:41:147:435:19
7:48
-0:02
25K
15.53 mi12:52:352:01:057:4819:51
8:11
+0:23
30K
18.64 mi13:20:152:28:457:5927:40
8:54
+0:43
20M
20.00 mi13:32:342:41:048:0312:19
9:04
+0:10
21M
21.00 mi13:42:182:50:488:089:44
9:44
+0:40
35K
21.75 mi13:48:412:57:118:096:23
8:32
-1:12
23M
23.00 mi13:59:483:08:188:1111:07
8:53
+0:21
24M
24.00 mi14:08:043:16:348:118:16
8:16
-0:37
40K
24.85 mi14:15:303:24:008:127:26
8:42
+0:26
25.2M
25.20 mi14:18:483:27:188:143:18
9:34
+0:52
Finish
26.22 mi14:27:103:35:408:148:22
8:13
-1:21

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

7:40 /mi

Average Pace

8:14 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:14

47% of race

Time at Steady Pace

42:52

20% of race

Time at Slower Pace

1:11:34

33% of race

Average Pace: 8:14 /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 mi11:15:2623:567:4223:56
7:42
#14020
10K
6.21 mi11:39:1447:447:4123:48
7:40
#13779
15K
9.32 mi12:03:061:11:367:4123:52
7:41
#13594
20K
12.43 mi12:27:251:35:557:4324:19
7:50
#13531
Half
13.11 mi12:32:441:41:147:435:19
7:48
#13555
25K
15.53 mi12:52:352:01:057:4819:51
8:11
#13850
30K
18.64 mi13:20:152:28:457:5927:40
8:54
#14533
20M
20.00 mi13:32:342:41:048:0312:19
9:04
#14777
21M
21.00 mi13:42:182:50:488:089:44
9:44
#14904
35K
21.75 mi13:48:412:57:118:096:23
8:32
#14920
23M
23.00 mi13:59:483:08:188:1111:07
8:53
#14925
24M
24.00 mi14:08:043:16:348:118:16
8:16
#14813
40K
24.85 mi14:15:303:24:008:127:26
8:42
#14799
25.2M
25.20 mi14:18:483:27:188:143:18
9:34
#14791
Finish
26.22 mi14:27:103:35:408:148:22
8:13
#14739
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi140203923392313344(Top 47%)3654(Top 30%)3654(Top 202%)
10K6.21 mi3.10 mi13779+2413815+1083815+10813561(Top 48%)3696(Top 30%)3696(Top 204%)
15K9.32 mi3.11 mi13594+1853742+733742+7313344(Top 47%)3654(Top 30%)3654(Top 202%)
20K12.43 mi3.11 mi13531+633748-63748-613505(Top 48%)3821(Top 31%)3821(Top 211%)
Half13.11 mi0.68 mi13555-243763-153763-1514290(Top 50%)4241(Top 35%)4241(Top 234%)
25K15.53 mi2.42 mi13850-2953961-1983961-19815246(Top 54%)4874(Top 40%)4874(Top 269%)
30K18.64 mi3.11 mi14533-6834408-4474408-44717181(Top 60%)6118(Top 50%)6118(Top 337%)
20M20.00 mi1.36 mi14777-2444566-1584566-15817139(Top 60%)6210(Top 51%)6210(Top 343%)
21M21.00 mi1.00 mi14904-1274667-1014667-10117187(Top 61%)6359(Top 52%)6359(Top 351%)
35K21.75 mi0.75 mi14920-164692-254692-2515684(Top 55%)5602(Top 46%)5602(Top 309%)
23M23.00 mi1.25 mi14925-54721-294721-2915563(Top 55%)5641(Top 46%)5641(Top 311%)
24M24.00 mi1.00 mi14813+1124692+294692+2913062(Top 46%)4353(Top 36%)4353(Top 240%)
40K24.85 mi0.85 mi14799+144717-254717-2514591(Top 51%)5290(Top 43%)5290(Top 292%)
25.2M25.20 mi0.35 mi14791+84715+24715+214982(Top 53%)5529(Top 45%)5529(Top 305%)
Finish26.22 mi1.02 mi14739+524718-34718-314357(Top 51%)5130(Top 42%)5130(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13344

Females

3654

F45-49

3654

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13561

Females

3696

F45-49

3696

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13344

Females

3654

F45-49

3654

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13505

Females

3821

F45-49

3821

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14290

Females

4241

F45-49

4241

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15246

Females

4874

F45-49

4874

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17181

Females

6118

F45-49

6118

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

17139

Females

6210

F45-49

6210

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17187

Females

6359

F45-49

6359

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15684

Females

5602

F45-49

5602

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15563

Females

5641

F45-49

5641

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13062

Females

4353

F45-49

4353

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14591

Females

5290

F45-49

5290

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14982

Females

5529

F45-49

5529

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14357

Females

5130

F45-49

5130

Passing Analysis

Category:
Athletes Passed
1818
Passed By
2537
Net Change
-719
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14020
5K → 10K404163+241#14020#13779
10K → 15K306121+185#13779#13594
15K → 20K224161+63#13594#13531
20K → Half1539-24#13531#13555
Half → 25K111406-295#13555#13850
25K → 30K99782-683#13850#14533
30K → 20M71315-244#14533#14777
20M → 21M73200-127#14777#14904
21M → 35K5571-16#14904#14920
35K → 23M116121-5#14920#14925
23M → 24M13119+112#14925#14813
24M → 40K7460+14#14813#14799
40K → 25.2M4032+8#14799#14791
25.2M → Finish9947+52#14791#14739
TOTALS18182537-719
📊

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